diff --git a/static/src/js/app/admin/announcement/announcement.js b/static/src/js/app/admin/announcement/announcement.js
index 13db292..c4eebf6 100644
--- a/static/src/js/app/admin/announcement/announcement.js
+++ b/static/src/js/app/admin/announcement/announcement.js
@@ -1,4 +1,4 @@
-require(["jquery", "avalon", "csrfToken", "bsAlert", "editor", "formValidation"],
+require(["jquery", "avalon", "csrfToken", "bsAlert", "editor", "validator"],
     function ($, avalon, csrfTokenHeader, bsAlert, editor) {
 
 
@@ -122,26 +122,15 @@ require(["jquery", "avalon", "csrfToken", "bsAlert", "editor", "formValidation"]
             }
 
             //新建公告表单验证与数据提交
-            $("#announcement-form")
-                .formValidation({
-                    framework: "bootstrap",
-                    fields: {
-                        title: {
-                            validators: {
-                                notEmpty: {
-                                    message: "请填写公告标题"
-                                }
-                            }
-                        }
-                    }
-                }
-            ).on('success.form.fv', function (e) {
-                    e.preventDefault();
+
+
+            $('form').validator().on('submit', function (e) {
+                if (!e.isDefaultPrevented()) {
                     var title = $("#title").val();
                     var content = createAnnouncementEditor.getValue();
                     if (content == "") {
                         bsAlert("请填写公告内容");
-                        return;
+                        return false;
                     }
                     $.ajax({
                         beforeSend: csrfTokenHeader,
@@ -156,11 +145,13 @@ require(["jquery", "avalon", "csrfToken", "bsAlert", "editor", "formValidation"]
                                 createAnnouncementEditor.setValue("");
                                 getPageData(1);
                             } else {
-                                bs_alert(data.data);
+                                bsAlert(data.data);
                             }
                         }
                     })
-                });
+                    return false;
+                }
+            })
         });
         avalon.scan();
     });
\ No newline at end of file
diff --git a/static/src/js/app/admin/group/group.js b/static/src/js/app/admin/group/group.js
index b4b3117..470f9ca 100644
--- a/static/src/js/app/admin/group/group.js
+++ b/static/src/js/app/admin/group/group.js
@@ -1,4 +1,4 @@
-require(["jquery", "avalon", "csrfToken", "bsAlert", "formValidation"], function ($, avalon, csrfTokenHeader, bsAlert) {
+require(["jquery", "avalon", "csrfToken", "bsAlert"], function ($, avalon, csrfTokenHeader, bsAlert) {
 
 
     avalon.ready(function () {
@@ -71,4 +71,4 @@ require(["jquery", "avalon", "csrfToken", "bsAlert", "formValidation"], function
 
     avalon.scan();
 
-});
\ No newline at end of file
+});
diff --git a/static/src/js/app/admin/group/groupDetail.js b/static/src/js/app/admin/group/groupDetail.js
index e622a16..cddc755 100644
--- a/static/src/js/app/admin/group/groupDetail.js
+++ b/static/src/js/app/admin/group/groupDetail.js
@@ -1,4 +1,4 @@
-require(["jquery", "avalon", "csrfToken", "bsAlert", "formValidation"], function ($, avalon, csrfTokenHeader, bsAlert) {
+require(["jquery", "avalon", "csrfToken", "bsAlert", "validator"], function ($, avalon, csrfTokenHeader, bsAlert) {
 
 
     // avalon:定义模式 group_list
@@ -93,58 +93,33 @@ require(["jquery", "avalon", "csrfToken", "bsAlert", "formValidation"], function
             }
         });
 
-        $("#edit_group_form")
-            .formValidation({
-                framework: "bootstrap",
-                fields: {
-                    name: {
-                        validators: {
-                            notEmpty: {
-                                message: "请填写小组名"
-                            },
-                            stringLength: {
-                                max: 20,
-                                message: '小组名长度必须在20位之内'
+        $('form').validator().on('submit', function (e) {
+                if (!e.isDefaultPrevented()) {
+
+                    var group_id = avalon.vmodels.admin.groupId;
+                    var name = vm.name;
+                    var description = vm.description;
+                    var join_group_setting = vm.checkedSetting;
+
+                    $.ajax({
+                        beforeSend: csrfTokenHeader,
+                        url: "/api/admin/group/",
+                        method: "put",
+                        data: {group_id: group_id, name: name, description: description,
+                               join_group_setting: join_group_setting},
+                        dataType: "json",
+                        success: function (data) {
+                            if (!data.code) {
+                                bsAlert("修改成功");
+                            }
+                            else {
+                                bsAlert(data.data);
                             }
                         }
-                    },
-                    description: {
-                        validators: {
-                            notEmpty: {
-                                message: "请填写描述"
-                            },
-                            stringLength: {
-                                max: 300,
-                                message: '描述长度必须在300位之内'
-                            }
-                        }
-                    }
+                    });
+                    return false;
                 }
-            }
-        ).on('success.form.fv', function (e) {
-                e.preventDefault();
-                var data = {
-                    group_id: avalon.vmodels.admin.groupId,
-                    name: vm.name,
-                    description: vm.description,
-                    join_group_setting: vm.checkedSetting
-                };
-                $.ajax({
-                    beforeSend: csrfTokenHeader,
-                    url: "/api/admin/group/",
-                    method: "put",
-                    data: data,
-                    dataType: "json",
-                    success: function (data) {
-                        if (!data.code) {
-                            bsAlert("修改成功");
-                        }
-                        else {
-                            bsAlert(data.data);
-                        }
-                    }
-                })
-            });
+            })
     });
 
-});
\ No newline at end of file
+});
diff --git a/static/src/js/app/admin/problem/add_problem.js b/static/src/js/app/admin/problem/add_problem.js
index 4996f85..7331a8a 100644
--- a/static/src/js/app/admin/problem/add_problem.js
+++ b/static/src/js/app/admin/problem/add_problem.js
@@ -1,135 +1,76 @@
-require(["jquery", "avalon", "editor", "uploader", "bsAlert", "csrfToken", "tagEditor", "formValidation", "jqueryUI"],
+require(["jquery", "avalon", "editor", "uploader", "bsAlert", "csrfToken", "tagEditor", "validator", "jqueryUI"],
     function ($, avalon, editor, uploader, bsAlert, csrfTokenHeader) {
         avalon.ready(function () {
             avalon.vmodels.addProblem = null;
-            $("#add-problem-form")
-                .formValidation({
-                    framework: "bootstrap",
-                    fields: {
-                        title: {
-                            validators: {
-                                notEmpty: {
-                                    message: "请填写题目名称"
-                                },
-                                stringLength: {
-                                    min: 1,
-                                    max: 30,
-                                    message: "名称不能超过30个字"
-                                }
-                            }
-                        },
-                        timeLimit: {
-                            validators: {
-                                notEmpty: {
-                                    message: "请输入时间限制"
-                                },
-                                integer: {
-                                    message: "请输入一个合法的数字"
-                                },
-                                between: {
-                                    inclusive: true,
-                                    min: 1,
-                                    max: 5000,
-                                    message: "只能在1-5000之间"
-                                }
-                            }
-                        },
-                        memoryLimit: {
-                            validators: {
-                                notEmpty: {
-                                    message: "请输入内存限制"
-                                },
-                                integer: {
-                                    message: "请输入一个合法的数字"
-                                }
-                            }
-                        },
-                        difficulty: {
-                            validators: {
-                                notEmpty: {
-                                    message: "请输入难度"
-                                },
-                                integer: {
-                                    message: "难度用一个整数表示"
-                                }
-                            }
-                        },
-                        input_description: {
-                            validators: {
-                                notEmpty: {
-                                    message: "请填写输入描述"
-                                }
-                            }
-                        },
-                        output_description: {
-                            validators: {
-                                notEmpty: {
-                                    message: "请填写输出描述"
-                                }
+            $("#add-problem-form").validator()
+                .on('submit', function (e) {
+                    if (!e.isDefaultPrevented()){
+                        if (vm.testCaseId == "") {
+                            bsAlert("你还没有上传测试数据!");
+                            return false;
+                        }
+                        if (vm.description == "") {
+                            bsAlert("题目描述不能为空!");
+                            return false;
+                        }
+                        if (vm.timeLimit < 1000 || vm.timeLimit > 5000) {
+                            bsAlert("保证时间限制是一个1000-5000的合法整数");
+                            return false;
+                        }
+                        if (vm.samples.length == 0) {
+                            bsAlert("请至少添加一组样例!");
+                            return false;
+                        }
+                        for (var i = 0; i < vm.samples.length; i++) {
+                            if (vm.samples[i].input == "" || vm.samples[i].output == "") {
+                                bsAlert("样例输入与样例输出不能为空！");
+                                return false;
                             }
                         }
-                    }
-                })
-                .on("success.form.fv", function (e) {
-                    e.preventDefault();
-                    if (vm.testCaseId == "") {
-                        bsAlert("你还没有上传测试数据!");
-                        return;
-                    }
-                    if (vm.description == "") {
-                        bsAlert("题目描述不能为空!");
-                        return;
-                    }
-                    if (vm.samples.length == 0) {
-                        bsAlert("请至少添加一组样例!");
-                        return;
-                    }
-                    for (var i = 0; i < vm.samples.length; i++) {
-                        if (vm.samples[i].input == "" || vm.samples[i].output == "") {
-                            bsAlert("样例输入与样例输出不能为空！");
-                            return;
+                        var tags = $("#tags").tagEditor("getTags")[0].tags;
+                        if (tags.length == 0) {
+                            bsAlert("请至少添加一个标签，这将有利于用户发现你的题目!");
+                            return false;
                         }
-                    }
-                    if (tags.length == 0) {
-                        bsAlert("请至少添加一个标签，这将有利于用户发现你的题目!");
-                        return;
-                    }
-                    var ajaxData = {
-                        title: vm.title,
-                        description: vm.description,
-                        time_limit: vm.timeLimit,
-                        memory_limit: vm.memoryLimit,
-                        samples: [],
-                        test_case_id: vm.testCaseId,
-                        hint: vm.hint,
-                        source: vm.source,
-                        tags: $("#tags").tagEditor("getTags")[0].tags,
-                        input_description: vm.inputDescription,
-                        output_description: vm.outputDescription,
-                        difficulty: vm.difficulty
-                    };
+                        var ajaxData = {
+                            id: avalon.vmodels.admin.problemId,
+                            title: vm.title,
+                            description: vm.description,
+                            time_limit: vm.timeLimit,
+                            memory_limit: vm.memoryLimit,
+                            samples: [],
+                            test_case_id: vm.testCaseId,
+                            hint: vm.hint,
+                            source: vm.source,
+                            visible: vm.visible,
+                            tags: tags,
+                            input_description: vm.inputDescription,
+                            output_description: vm.outputDescription,
+                            difficulty: vm.difficulty
+                        };
 
-                    for (var i = 0; i < vm.samples.$model.length; i++) {
-                        ajaxData.samples.push({input: vm.samples.$model[i].input, output: vm.samples.$model[i].output});
-                    }
-
-                    $.ajax({
-                        beforeSend: csrfTokenHeader,
-                        url: "/api/admin/problem/",
-                        dataType: "json",
-                        data: JSON.stringify(ajaxData),
-                        method: "post",
-                        contentType: "application/json",
-                        success: function (data) {
-                            if (!data.code) {
-                                bsAlert("题目添加成功！");
-                            }
-                            else {
-                                bsAlert(data.data);
-                            }
+                        for (var i = 0; i < vm.samples.$model.length; i++) {
+                            ajaxData.samples.push({input: vm.samples.$model[i].input, output: vm.samples.$model[i].output});
                         }
 
-                    })
+                        $.ajax({
+                            beforeSend: csrfTokenHeader,
+                            url: "/api/admin/problem/",
+                            dataType: "json",
+                            data: JSON.stringify(ajaxData),
+                            method: "post",
+                            contentType: "application/json",
+                            success: function (data) {
+                                if (!data.code) {
+                                    bsAlert("题目添加成功！");
+                                }
+                                else {
+                                    bsAlert(data.data);
+                                }
+                            }
+                        });
+                        return false;
+                    }
                 });
 
             var testCaseUploader = uploader("#testCaseFile", "/api/admin/test_case_upload/", function (file, response) {
diff --git a/static/src/js/app/admin/problem/edit_problem.js b/static/src/js/app/admin/problem/edit_problem.js
index 25462d1..26ab794 100644
--- a/static/src/js/app/admin/problem/edit_problem.js
+++ b/static/src/js/app/admin/problem/edit_problem.js
@@ -1,139 +1,79 @@
-require(["jquery", "avalon", "editor", "uploader", "bsAlert", "csrfToken", "tagEditor", "formValidation", "jqueryUI"],
+require(["jquery", "avalon", "editor", "uploader", "bsAlert", "csrfToken", "tagEditor", "validator", "jqueryUI"],
     function ($, avalon, editor, uploader, bsAlert, csrfTokenHeader) {
 
         avalon.ready(function () {
             avalon.vmodels.editProblem = null;
 
-            $("#edit-problem-form")
-                .formValidation({
-                    framework: "bootstrap",
-                    fields: {
-                        title: {
-                            validators: {
-                                notEmpty: {
-                                    message: "请填写题目名称"
-                                },
-                                stringLength: {
-                                    min: 1,
-                                    max: 30,
-                                    message: "名称不能超过30个字"
-                                }
-                            }
-                        },
-                        cpu: {
-                            validators: {
-                                notEmpty: {
-                                    message: "请输入时间限制"
-                                },
-                                integer: {
-                                    message: "请输入一个合法的数字"
-                                },
-                                between: {
-                                    inclusive: true,
-                                    min: 1,
-                                    max: 5000,
-                                    message: "只能在1-5000之间"
-                                }
-                            }
-                        },
-                        memory: {
-                            validators: {
-                                notEmpty: {
-                                    message: "请输入内存限制"
-                                },
-                                integer: {
-                                    message: "请输入一个合法的数字"
-                                }
-                            }
-                        },
-                        difficulty: {
-                            validators: {
-                                notEmpty: {
-                                    message: "请输入难度"
-                                },
-                                integer: {
-                                    message: "难度用一个整数表示"
-                                }
-                            }
-                        },
-                        input_description: {
-                            validators: {
-                                notEmpty: {
-                                    message: "请填写输入描述"
-                                }
-                            }
-                        },
-                        output_description: {
-                            validators: {
-                                notEmpty: {
-                                    message: "请填写输出描述"
-                                }
+            $("#edit-problem-form").validator()
+                .on('submit', function (e) {
+                    if (!e.isDefaultPrevented()){
+                        if (vm.testCaseId == "") {
+                            bsAlert("你还没有上传测试数据!");
+                            return false;
+                        }
+                        if (vm.description == "") {
+                            bsAlert("题目描述不能为空!");
+                            return false;
+                        }
+                        if (vm.timeLimit < 1000 || vm.timeLimit > 5000) {
+                            bsAlert("保证时间限制是一个1000-5000的合法整数");
+                            return false;
+                        }
+                        if (vm.samples.length == 0) {
+                            bsAlert("请至少添加一组样例!");
+                            return false;
+                        }
+                        for (var i = 0; i < vm.samples.length; i++) {
+                            if (vm.samples[i].input == "" || vm.samples[i].output == "") {
+                                bsAlert("样例输入与样例输出不能为空！");
+                                return false;
                             }
                         }
-                    }
-                })
-                .on("success.form.fv", function (e) {
-                    e.preventDefault();
-                    if (vm.testCaseId == "") {
-                        bsAlert("你还没有上传测试数据!");
-                        return;
-                    }
-                    if (vm.description == "") {
-                        bsAlert("题目描述不能为空!");
-                        return;
-                    }
-                    if (vm.samples.length == 0) {
-                        bsAlert("请至少添加一组样例!");
-                        return;
-                    }
-                    for (var i = 0; i < vm.samples.length; i++) {
-                        if (vm.samples[i].input == "" || vm.samples[i].output == "") {
-                            bsAlert("样例输入与样例输出不能为空！");
-                            return;
+                        var tags = $("#tags").tagEditor("getTags")[0].tags;
+                        if (tags.length == 0) {
+                            bsAlert("请至少添加一个标签，这将有利于用户发现你的题目!");
+                            return false;
                         }
-                    }
-                    if (tags.length == 0) {
-                        bsAlert("请至少添加一个标签，这将有利于用户发现你的题目!");
-                        return;
-                    }
-                    var ajaxData = {
-                        id: avalon.vmodels.admin.problemId,
-                        title: vm.title,
-                        description: vm.description,
-                        time_limit: vm.timeLimit,
-                        memory_limit: vm.memoryLimit,
-                        samples: [],
-                        test_case_id: vm.testCaseId,
-                        hint: vm.hint,
-                        source: vm.source,
-                        visible: vm.visible,
-                        tags: $("#tags").tagEditor("getTags")[0].tags,
-                        input_description: vm.inputDescription,
-                        output_description: vm.outputDescription,
-                        difficulty: vm.difficulty
-                    };
+                        var ajaxData = {
+                            id: avalon.vmodels.admin.problemId,
+                            title: vm.title,
+                            description: vm.description,
+                            time_limit: vm.timeLimit,
+                            memory_limit: vm.memoryLimit,
+                            samples: [],
+                            test_case_id: vm.testCaseId,
+                            hint: vm.hint,
+                            source: vm.source,
+                            visible: vm.visible,
+                            tags: tags,
+                            input_description: vm.inputDescription,
+                            output_description: vm.outputDescription,
+                            difficulty: vm.difficulty
+                        };
 
-                    for (var i = 0; i < vm.samples.$model.length; i++) {
-                        ajaxData.samples.push({input: vm.samples.$model[i].input, output: vm.samples.$model[i].output});
-                    }
-
-                    $.ajax({
-                        beforeSend: csrfTokenHeader,
-                        url: "/api/admin/problem/",
-                        dataType: "json",
-                        data: JSON.stringify(ajaxData),
-                        method: "put",
-                        contentType: "application/json",
-                        success: function (data) {
-                            if (!data.code) {
-                                bsAlert("题目编辑成功！");
-                            }
-                            else {
-                                bsAlert(data.data);
-                            }
+                        for (var i = 0; i < vm.samples.$model.length; i++) {
+                            ajaxData.samples.push({input: vm.samples.$model[i].input, output: vm.samples.$model[i].output});
                         }
 
-                    })
+                        $.ajax({
+                            beforeSend: csrfTokenHeader,
+                            url: "/api/admin/problem/",
+                            dataType: "json",
+                            data: JSON.stringify(ajaxData),
+                            method: "put",
+                            contentType: "application/json",
+                            success: function (data) {
+                                if (!data.code) {
+                                    bsAlert("题目编辑成功！");
+                                }
+                                else {
+                                    bsAlert(data.data);
+                                }
+                            }
+
+                        });
+                        return false;
+                    }
                 });
 
             var vm = avalon.define({
@@ -257,4 +197,4 @@ require(["jquery", "avalon", "editor", "uploader", "bsAlert", "csrfToken", "tagE
         });
         avalon.scan();
 
-    });
\ No newline at end of file
+    });
diff --git a/static/src/js/app/admin/problem/problem.js b/static/src/js/app/admin/problem/problem.js
index d7e0739..cb1a0f0 100644
--- a/static/src/js/app/admin/problem/problem.js
+++ b/static/src/js/app/admin/problem/problem.js
@@ -1,4 +1,4 @@
-require(["jquery", "avalon", "csrfToken", "bsAlert", "formValidation"], function ($, avalon, csrfTokenHeader, bsAlert) {
+require(["jquery", "avalon", "csrfToken", "bsAlert"], function ($, avalon, csrfTokenHeader, bsAlert) {
 
     avalon.ready(function () {
         if(avalon.vmodels.problemList){
@@ -71,4 +71,4 @@ require(["jquery", "avalon", "csrfToken", "bsAlert", "formValidation"], function
 
     });
     avalon.scan();
-});
\ No newline at end of file
+});
diff --git a/static/src/js/app/admin/user/userList.js b/static/src/js/app/admin/user/userList.js
index 277aa88..0842dc5 100644
--- a/static/src/js/app/admin/user/userList.js
+++ b/static/src/js/app/admin/user/userList.js
@@ -1,4 +1,4 @@
-require(["jquery", "avalon", "csrfToken", "bsAlert", "formValidation"], function ($, avalon, csrfTokenHeader, bsAlert) {
+require(["jquery", "avalon", "csrfToken", "bsAlert", "validator"], function ($, avalon, csrfTokenHeader, bsAlert) {
 
 
     // avalon:定义模式 userList
@@ -87,77 +87,36 @@ require(["jquery", "avalon", "csrfToken", "bsAlert", "formValidation"], function
             });
         }
 
-        $("#edit_user-form")
-            .formValidation({
-                framework: "bootstrap",
-                fields: {
-                    username: {
-                        validators: {
-                            notEmpty: {
-                                message: "请填写用户名"
-                            },
-                            stringLength: {
-                                min: 3,
-                                max: 30,
-                                message: '用户名长度必须在3到30位之间'
+        $("#edit_user-form").validator()
+            .on('submit', function (e) {
+                if (!e.isDefaultPrevented()) {
+                    var data = {
+                        username: vm.username,
+                        real_name: vm.realName,
+                        email: vm.email,
+                        id: vm.id,
+                        admin_type: vm.adminType
+                    };
+                    if ($("#password").val() !== "")
+                        data.password = $("#password").val();
+                    $.ajax({
+                        beforeSend: csrfTokenHeader,
+                        url: "/api/admin/user/",
+                        data: data,
+                        dataType: "json",
+                        method: "put",
+                        success: function (data) {
+                            if (!data.code) {
+                                bsAlert("编辑成功！");
+                                getPageData(1);
+                                $("#password").val("");
+                            } else {
+                                bsAlert(data.data);
                             }
                         }
-                    },
-                    real_name: {
-                        validators: {
-                            notEmpty: {
-                                message: "请填写真实姓名"
-                            }
-                        }
-                    },
-                    email: {
-                        validators: {
-                            notEmpty: {
-                                message: "请填写电子邮箱邮箱地址"
-                            },
-                            emailAddress: {
-                                message: "请填写有效的邮箱地址"
-                            }
-                        }
-                    },
-                    password: {
-                        validators: {
-                            stringLength: {
-                                min: 6,
-                                max: 30,
-                                message: '密码长度必须在6到30位之间'
-                            }
-                        }
-                    }
+                    });
+                    return false;
                 }
-            }
-        ).on('success.form.fv', function (e) {
-                e.preventDefault();
-                var data = {
-                    username: vm.username,
-                    real_name: vm.realName,
-                    email: vm.email,
-                    id: vm.id,
-                    admin_type: vm.adminType
-                };
-                if ($("#password").val() !== "")
-                    data.password = $("#password").val();
-                $.ajax({
-                    beforeSend: csrfTokenHeader,
-                    url: "/api/admin/user/",
-                    data: data,
-                    dataType: "json",
-                    method: "put",
-                    success: function (data) {
-                        if (!data.code) {
-                            bsAlert("提交成功！");
-                            getPageData(1);
-                            $("#password").val("");
-                        } else {
-                            bsAlert(data.data);
-                        }
-                    }
-                })
             });
     });
 
diff --git a/template/admin/announcement/announcement.html b/template/admin/announcement/announcement.html
index 021cf29..5c0d4d9 100644
--- a/template/admin/announcement/announcement.html
+++ b/template/admin/announcement/announcement.html
@@ -53,11 +53,17 @@
     <h3>添加公告</h3>
 
     <form id="announcement-form">
-        <div class="form-group"><label>标题</label>
-            <input name="title" type="text" class="form-control" id="title" placeholder="公告标题"></div>
+        <div class="form-group">
+            <label>标题</label>
+            <input name="title" type="text" class="form-control" id="title" placeholder="公告标题"
+                   data-error="请填写公告标题(标题不得超过50字)" maxlength="50" required>
+            <div class="help-block with-errors"></div>
+        </div>
         <div class="form-group">
             <label>内容</label>
-            <textarea id="create-announcement-editor" placeholder="公告内容"></textarea>
+            <textarea id="create-announcement-editor" placeholder="公告内容" maxlength="10000" required>
+            </textarea>
+            <div class="help-block with-errors"></div>
         </div>
         <div class="form-group">
             <button type="submit" class="btn btn-primary">提交</button>
diff --git a/template/admin/group/group_detail.html b/template/admin/group/group_detail.html
index f99efad..b75f0ef 100644
--- a/template/admin/group/group_detail.html
+++ b/template/admin/group/group_detail.html
@@ -36,12 +36,17 @@
     <form id="edit_group_form">
         <div class="col-md-12">
             <div class="form-group"><label>小组名</label>
-                <input type="text" name="name" class="form-control" ms-duplex="name">
+                <input type="text" name="name" class="form-control" ms-duplex="name"
+                        data-error="请填写小组名(名称不能超过20字)" maxlength="20" required>
+                <div class="help-block with-errors"></div>
             </div>
         </div>
         <div class="col-md-12">
             <div class="form-group"><label>描述</label>
-                <textarea rows="3" name="description" class="form-control" ms-duplex="description"></textarea>
+                <textarea rows="3" name="description" class="form-control" ms-duplex="description"
+                          data-error="请填写描述" maxlength="300" required>
+                </textarea>
+                <div class="help-block with-errors"></div>
             </div>
         </div>
         <div class="col-md-12">
@@ -58,4 +63,4 @@
 
     </form>
 </div>
-<script src="/static/js/app/admin/group/groupDetail.js"></script>
\ No newline at end of file
+<script src="/static/js/app/admin/group/groupDetail.js"></script>
diff --git a/template/admin/problem/add_problem.html b/template/admin/problem/add_problem.html
index 04f8994..fadea4c 100644
--- a/template/admin/problem/add_problem.html
+++ b/template/admin/problem/add_problem.html
@@ -3,7 +3,9 @@
 
         <div class="form-group col-md-12">
             <label>题目标题</label>
-            <input type="text" name="title" autofocus class="form-control" ms-duplex="title">
+            <input type="text" name="title" autofocus class="form-control" ms-duplex="title"
+                   data-error="请填写题目名称(名称不能超过50个字)" maxlength="50" required>
+            <div class="help-block with-errors"></div>
         </div>
 
         <div class="form-group col-md-12">
@@ -15,21 +17,23 @@
 
         <div class="col-md-3">
             <div class="form-group"><label>时间限制(ms)</label>
-
-                <input type="number" name="timeLimit" class="form-control" ms-duplex="timeLimit">
-
+                <input type="number" name="timeLimit" class="form-control" ms-duplex="timeLimit"
+                       data-error="请输入时间限制(保证是一个1000-5000的合法整数)" required>
+                <div class="help-block with-errors"></div>
             </div>
         </div>
         <div class="col-md-3">
             <div class="form-group"><label>内存限制(MB)</label>
-
-
-                <input type="number" name="memoryLimit" class="form-control" ms-duplex="memoryLimit">
+                <input type="number" name="memoryLimit" class="form-control" ms-duplex="memoryLimit"
+                       data-error="请输入内存限制(保证是一个合法整数)" required>
+                <div class="help-block with-errors"></div>
             </div>
         </div>
         <div class="col-md-3">
             <div class="form-group"><label>难度</label>
-                <input type="number" name="difficulty" class="form-control" ms-duplex="difficulty">
+                <input type="number" name="difficulty" class="form-control" ms-duplex="difficulty"
+                       data-error="请输入难度(保证是一个合法整数)" required>
+                <div class="help-block with-errors"></div>
             </div>
         </div>
         <div class="col-md-3 form-group">
@@ -45,12 +49,18 @@
         <div class="col-md-12 form-group">
             <label>输入描述</label><br>
             <textarea class="form-control" rows="5" name="input_description"
-                      ms-duplex="inputDescription"></textarea>
+                      ms-duplex="inputDescription"data-error="请填写输入描述"
+                      maxlength="10000" required>
+            </textarea>
+            <div class="help-block with-errors"></div>
         </div>
         <div class="col-md-12 form-group">
             <label>输出描述</label><br>
             <textarea class="form-control" rows="5" name="output_description"
-                      ms-duplex="outputDescription"></textarea>
+                      ms-duplex="outputDescription"data-error="请填写输出描述"
+                      maxlength="10000" required>
+            </textarea>
+            <div class="help-block with-errors"></div>
         </div>
         <div class="col-md-12"><br>
             <label>样例</label>
diff --git a/template/admin/problem/edit_problem.html b/template/admin/problem/edit_problem.html
index f22eefa..3dd0870 100644
--- a/template/admin/problem/edit_problem.html
+++ b/template/admin/problem/edit_problem.html
@@ -9,7 +9,9 @@
 
         <div class="form-group col-md-12">
             <label>题目标题</label>
-            <input type="text" name="title" autofocus class="form-control" ms-duplex="title">
+            <input type="text" name="title" autofocus class="form-control" ms-duplex="title"
+                   data-error="请填写题目名称(名称不能超过30个字)" maxlength="30" required>
+            <div class="help-block with-errors"></div>
         </div>
 
         <div class="form-group col-md-12">
@@ -21,17 +23,23 @@
 
         <div class="col-md-3">
             <div class="form-group"><label>时间限制(ms)</label>
-                <input type="number" name="cpu" class="form-control" ms-duplex="timeLimit">
+                <input type="number" name="timeLimit" class="form-control" ms-duplex="timeLimit"
+                       data-error="请输入时间限制(保证是一个1000-5000的合法整数)" required>
+                <div class="help-block with-errors"></div>
             </div>
         </div>
         <div class="col-md-3">
             <div class="form-group"><label>内存限制(MB)</label>
-                <input type="number" name="memory" class="form-control" ms-duplex="memoryLimit">
+                <input type="number" name="memory" class="form-control" ms-duplex="memoryLimit"
+                       data-error="请输入内存限制(保证是一个合法整数)" required>
+                <div class="help-block with-errors"></div>
             </div>
         </div>
         <div class="col-md-3">
             <div class="form-group"><label>难度</label>
-                <input type="number" name="difficulty" class="form-control" ms-duplex="difficulty">
+                <input type="number" name="difficulty" class="form-control" ms-duplex="difficulty"
+                       data-error="请输入难度(保证是一个合法整数)" required>
+                <div class="help-block with-errors"></div>
             </div>
         </div>
         <div class="col-md-3 form-group">
@@ -47,12 +55,18 @@
         <div class="col-md-12 form-group">
             <label>输入描述</label><br>
             <textarea class="form-control" rows="5" name="input_description"
-                      ms-duplex="inputDescription"></textarea>
+                      ms-duplex="inputDescription" data-error="请填写输入描述"
+                      maxlength="10000" required>
+            </textarea>
+            <div class="help-block with-errors"></div>
         </div>
         <div class="col-md-12 form-group">
             <label>输出描述</label><br>
             <textarea class="form-control" rows="5" name="output_escription"
-                      ms-duplex="outputDescription"></textarea>
+                      ms-duplex="outputDescription" data-error="请填写输出描述"
+                      maxlength="10000" required>
+            </textarea>
+            <div class="help-block with-errors"></div>
         </div>
         <div class="col-md-12"><br>
             <label>样例</label>
@@ -126,4 +140,4 @@
     </form>
 </div>
 
-<script src="/static/js/app/admin/problem/edit_problem.js"></script>
\ No newline at end of file
+<script src="/static/js/app/admin/problem/edit_problem.js"></script>
diff --git a/template/admin/user/user_list.html b/template/admin/user/user_list.html
index 6045bdb..8e8c0f4 100644
--- a/template/admin/user/user_list.html
+++ b/template/admin/user/user_list.html
@@ -52,19 +52,26 @@
                     <input name="id" type="number" class="form-control" readonly ms-duplex="id">
                 </div>
                 <div class="form-group col-md-4"><label>用户名</label>
-                    <input name="username" type="text" class="form-control" ms-duplex="username">
+                    <input name="username" type="text" class="form-control" ms-duplex="username"
+                           data-minlength="3" data-minlength-error="用户名不得少于3位" required>
+                    <div class="help-block with-errors"></div>
                 </div>
                 <div class="form-group col-md-4"><label>真实姓名</label>
-                    <input name="real_name" type="text" class="form-control" ms-duplex="realName">
+                    <input name="real_name" type="text" class="form-control" ms-duplex="realName"
+                           data-error="请填写真实姓名" maxlength="30" required>
+                    <div class="help-block with-errors"></div>
                 </div>
             </div>
             <div class="row">
                 <div class="form-group col-md-4"><label>新密码（留空则保留原密码）</label>
                     <input name="password" type="password" class="form-control" id="password" ms-duplex="password"
-                           placeholder="此项留空则保留原密码">
+                           placeholder="此项留空则保留原密码" data-minlength="6" data-minlength-error="密码不得少于6位">
+                    <div class="help-block with-errors"></div>
                 </div>
                 <div class="form-group col-md-4"><label>电子邮箱</label>
-                    <input name="email" type="email" class="form-control" ms-duplex="email">
+                    <input name="email" type="email" class="form-control" ms-duplex="email"
+                           data-error="请填写邮箱地址(并保证是正确的邮箱格式)" required>
+                    <div class="help-block with-errors"></div>
                 </div>
                 <div class="form-group col-md-4"><label>用户类型</label>
                     <select name="admin_type" class="form-control" ms-duplex="adminType">