diff --git a/src/learn/step-1/index.md b/src/learn/step-1/index.md
index 58c5477..1dabfe7 100644
--- a/src/learn/step-1/index.md
+++ b/src/learn/step-1/index.md
@@ -1,111 +1,17 @@
-# 11
+# 我是一级标题
 
-## 1
+## 我是二级标题
 
-哈哈
+### 我是三级标题
 
-```c {3-4}
+我是代码
+
+```c
 #include<stdio.h>
 
-int main() {
+int main()
+{
+    printf("hello world");
     return 0;
 }
 ```
-
-123
-
-# 11
-
-## 1
-
-哈哈
-
-```c {3-4}
-#include<stdio.h>
-
-int main() {
-    return 0;
-}
-```
-
-123
-
-# 11
-
-## 1
-
-哈哈
-
-```c {3-4}
-#include<stdio.h>
-
-int main() {
-    return 0;
-}
-```
-
-123
-
-# 11
-
-## 1
-
-哈哈
-
-```c {3-4}
-#include<stdio.h>
-
-int main() {
-    return 0;
-}
-```
-
-123
-
-# 11
-
-## 1
-
-哈哈
-
-```c {3-4}
-#include<stdio.h>
-
-int main() {
-    return 0;
-}
-```
-
-123
-
-# 11
-
-## 1
-
-哈哈
-
-```c {3-4}
-#include<stdio.h>
-
-int main() {
-    return 0;
-}
-```
-
-123
-
-# 11
-
-## 1
-
-哈哈
-
-```c {3-4}
-#include<stdio.h>
-
-int main() {
-    return 0;
-}
-```
-
-123
diff --git a/src/learn/step-1/main.c b/src/learn/step-1/main.c
index 79734ef..ef7b222 100644
--- a/src/learn/step-1/main.c
+++ b/src/learn/step-1/main.c
@@ -2,5 +2,6 @@
 
 int main()
 {
+    printf("我是右侧的代码");
     return 0;
 }
\ No newline at end of file
diff --git a/src/learn/step-2/WX20220628-084503@2x.png b/src/learn/step-2/WX20220628-084503@2x.png
new file mode 100644
index 0000000..5a29dc6
Binary files /dev/null and b/src/learn/step-2/WX20220628-084503@2x.png differ
diff --git a/src/learn/step-2/index.md b/src/learn/step-2/index.md
index d18de96..13f4c43 100644
--- a/src/learn/step-2/index.md
+++ b/src/learn/step-2/index.md
@@ -1 +1,7 @@
-asas
+随便写写
+
+图片 1
+![tupian](./WX20220628-084503@2x.png)
+
+图片 2
+<img src="./WX20220628-084503@2x.png" style="width: 100%"/>
diff --git a/src/oj/contest/list.vue b/src/oj/contest/list.vue
index 0d8cfcd..9ad813b 100644
--- a/src/oj/contest/list.vue
+++ b/src/oj/contest/list.vue
@@ -128,11 +128,7 @@ function rowProps(row: Contest) {
       />
     </n-form-item>
     <n-form-item label="搜索比赛标题">
-      <n-input
-        placeholder="输入后回车或点击搜索"
-        v-model:value="query.keyword"
-        @change="search"
-      />
+      <n-input placeholder="输入后回车或点击搜索" clearable @change="search" />
     </n-form-item>
     <n-form-item>
       <n-space>
diff --git a/src/oj/problem/detail.vue b/src/oj/problem/detail.vue
index 059e184..20ff63c 100644
--- a/src/oj/problem/detail.vue
+++ b/src/oj/problem/detail.vue
@@ -1,6 +1,6 @@
 <script setup lang="ts">
 import { getProblem } from "oj/api"
-import { isDesktop, isMobile } from "~/shared/composables/breakpoints"
+import { isDesktop } from "~/shared/composables/breakpoints"
 import { Problem } from "utils/types"
 
 const Editor = defineAsyncComponent(() => import("./components/Editor.vue"))
@@ -19,11 +19,19 @@ interface Props {
 const props = withDefaults(defineProps<Props>(), {
   contestID: "",
 })
-const problem = ref<Problem>()
+const problem = ref<Problem | null>(null)
+const errMsg = ref("无数据")
 
 async function init() {
-  const res = await getProblem(props.problemID, props.contestID)
-  problem.value = res.data
+  try {
+    const res = await getProblem(props.problemID, props.contestID)
+    problem.value = res.data
+  } catch (err: any) {
+    problem.value = null
+    if (err.data === "Contest has not started yet.") {
+      errMsg.value = "比赛还没有开始"
+    }
+  }
 }
 onMounted(init)
 provide("problem", readonly(problem))
@@ -58,6 +66,7 @@ provide("problem", readonly(problem))
       <Editor :problem="problem" />
     </n-gi>
   </n-grid>
+  <n-empty v-else :description="errMsg"></n-empty>
 </template>
 
 <style scoped></style>