diff --git a/static/src/js/app/admin/problem/add_problem.js b/static/src/js/app/admin/problem/add_problem.js
index c0ac63f..09862d3 100644
--- a/static/src/js/app/admin/problem/add_problem.js
+++ b/static/src/js/app/admin/problem/add_problem.js
@@ -98,6 +98,7 @@ require(["jquery", "avalon", "editor", "uploader", "bs_alert", "tagEditor", "val
             test_case_id: "",
             testCaseList: [],
             uploadSuccess: false,
+            source: "",
             checkTag: function () {
                 alert("11");
                 if (event.keyCode == 13)
diff --git a/template/admin/problem/add_problem.html b/template/admin/problem/add_problem.html
index 6ebb49a..1c78a9e 100644
--- a/template/admin/problem/add_problem.html
+++ b/template/admin/problem/add_problem.html
@@ -1,10 +1,14 @@
 <div ms-controller="add_problem" class="col-md-9">
     <form id="add-problem-form">
         <div class="col-md-12">
-            <div class="form-group">
+            <div class="form-group col-md-6">
                 <label>题目标题</label>
                 <input type="text" name="title" class="form-control" ms-duplex="title">
             </div>
+            <div class="form-group col-md-6">
+                <label>来源</label>
+                <input type="text" name="source" class="form-control" ms-duplex="source">
+            </div>
             <div class="form-group">
                 <label>题目描述</label>
                 <textarea id="problemDescription" placeholder="这里输入内容" autofocus ms-duplex="description"></textarea>