diff --git a/src/oj/problem/components/editor.vue b/src/oj/problem/components/editor.vue
index 723c729..b14100c 100644
--- a/src/oj/problem/components/editor.vue
+++ b/src/oj/problem/components/editor.vue
@@ -32,15 +32,18 @@ onBeforeUnmount(() => {
   monaco.editor.getModels().forEach((model) => model.dispose())
 })
 
-watchEffect(() => {
-  if (monaco && monaco.editor) {
-    monaco.editor.setModelLanguage(
-      monaco.editor.getModels()[0],
-      LANGUAGE_VALUE[code.language]
-    )
-    reset()
+watch(
+  () => code.language,
+  () => {
+    if (monaco && monaco.editor) {
+      monaco.editor.setModelLanguage(
+        monaco.editor.getModels()[0],
+        LANGUAGE_VALUE[code.language]
+      )
+      reset()
+    }
   }
-})
+)
 
 function reset() {
   code.value = props.problem.template[code.language] || SOURCES[code.language]
diff --git a/src/oj/problem/components/testcase-panel.vue b/src/oj/problem/components/testcase-panel.vue
index f195b10..7fc29bd 100644
--- a/src/oj/problem/components/testcase-panel.vue
+++ b/src/oj/problem/components/testcase-panel.vue
@@ -9,7 +9,7 @@ const code = inject<Code>("code")
 <template>
   <el-tab-pane label="测试用例" name="testcase">
     <div class="panel">
-      <el-table height="320"></el-table>
+      <el-table height="320"> el- </el-table>
     </div>
   </el-tab-pane>
 </template>