diff --git a/src/components/Blog_replyInput.vue b/src/components/Blog_replyInput.vue
index 9661486..eae4b09 100644
--- a/src/components/Blog_replyInput.vue
+++ b/src/components/Blog_replyInput.vue
@@ -70,6 +70,10 @@ const submitComment = async () => {
   if (!commentBody) {
     return;
   }
+  if (commentBody.length > 400) {
+    swal.tip('error', '太长了! ');
+    return;
+  }
   commentSubmitLoading.value = true;
   try {
     const response = await api.post(`/comments/${props.commentId}/replies`, (() => {
diff --git a/src/pages/EmailVerify.vue b/src/pages/EmailVerify.vue
index 906356a..28b43e0 100644
--- a/src/pages/EmailVerify.vue
+++ b/src/pages/EmailVerify.vue
@@ -36,7 +36,7 @@ onMounted(async () => {
     // 根据返回的 code 判断是否成功
     if (code === 0) {
       textDisplay.value = '验证成功! ';
-      swal.tip('success', '创建账户成功，即将跳转登录页面');
+      swal.tip('success', '创建账户成功', '即将跳转登录页面');
       // 延迟跳转到登录页面
       setTimeout(() => {
         router.push('/login');
@@ -51,7 +51,7 @@ onMounted(async () => {
   } catch (error) {
     console.error('验证请求失败:', error);
     textDisplay.value = '服务器错误，请稍后再试';
-    swal.tip('error', '服务器错误，请稍后再试');
+    swal.tip('error', '服务器错误', '请稍后再试');
   }
 });
 </script>
diff --git a/src/pages/blogPages/SingleBlog_page.vue b/src/pages/blogPages/SingleBlog_page.vue
index 3d3f76e..be20e36 100644
--- a/src/pages/blogPages/SingleBlog_page.vue
+++ b/src/pages/blogPages/SingleBlog_page.vue
@@ -132,6 +132,10 @@ const submitComment = async () => {
   if (!commentBody) {
     return;
   }
+  if (commentBody.length > 400) {
+    swal.tip('error', '太长了! ');
+    return;
+  }
   commentSubmitLoading.value = true;
   try {
     const response = await api.post(`/blogs/${id}/comments`, (() => {
diff --git a/src/pages/demoPages/messageBoard/Board_page.vue b/src/pages/demoPages/messageBoard/Board_page.vue
index f7eaea8..5c86970 100644
--- a/src/pages/demoPages/messageBoard/Board_page.vue
+++ b/src/pages/demoPages/messageBoard/Board_page.vue
@@ -79,13 +79,18 @@ async function sendMessage() {
     swal.tip('info', '不得为空')
     return;
   }
+  if (userInput.value.trim().length > 500) {
+    swal.tip('error', '太长了！')
+    return;
+  }
   sendCD.value = 'wait';
   try {
     const response = await api.post('/postmessage', {
       TOKEN: AuthService.getToken(),
-      CONTENT: userInput.value
+      CONTENT: userInput.value.trim()
     });
     if (response.code !== 0) {
+      sendCD.value = 0;
       swal.tip('error', '发送失败');
       return;
     }