diff --git a/src/components/EventCommentSection/CommentItem.js b/src/components/EventCommentSection/CommentItem.js
index 6ebea5a8..9fe3ddf8 100644
--- a/src/components/EventCommentSection/CommentItem.js
+++ b/src/components/EventCommentSection/CommentItem.js
@@ -1,29 +1,63 @@
 // src/components/EventCommentSection/CommentItem.js
 /**
  * 单条评论组件
- * 功能：显示用户头像、昵称、时间、评论内容
+ * 功能：显示用户头像、昵称、时间、评论内容、删除按钮
  */
 
-import React from 'react';
+import React, { useState } from 'react';
 import {
   Box,
   HStack,
   VStack,
   Avatar,
   Text,
+  IconButton,
   useColorModeValue,
+  Tooltip,
+  AlertDialog,
+  AlertDialogBody,
+  AlertDialogFooter,
+  AlertDialogHeader,
+  AlertDialogContent,
+  AlertDialogOverlay,
+  Button,
+  useDisclosure,
 } from '@chakra-ui/react';
+import { DeleteIcon } from '@chakra-ui/icons';
 import dayjs from 'dayjs';
 import 'dayjs/locale/zh-cn';
 
 dayjs.locale('zh-cn');
 
-const CommentItem = ({ comment }) => {
+const CommentItem = ({ comment, currentUserId, onDelete }) => {
+  const { isOpen, onOpen, onClose } = useDisclosure();
+  const cancelRef = React.useRef();
+  const [isDeleting, setIsDeleting] = useState(false);
   const itemBg = useColorModeValue('gray.50', 'gray.700');
   const usernameColor = useColorModeValue('gray.800', 'gray.100');
   const timeColor = useColorModeValue('gray.500', 'gray.400');
   const contentColor = useColorModeValue('gray.700', 'gray.300');
 
+  // 判断当前用户是否可以删除此评论
+  const canDelete = currentUserId && (
+    comment.author?.id === currentUserId ||
+    comment.user_id === currentUserId
+  );
+
+  // 处理删除
+  const handleDelete = async () => {
+    if (!onDelete) return;
+    setIsDeleting(true);
+    try {
+      await onDelete(comment.id);
+      onClose();
+    } catch (error) {
+      // 错误由父组件处理
+    } finally {
+      setIsDeleting(false);
+    }
+  };
+
   // 格式化时间
   const formatTime = (timestamp) => {
     const now = dayjs();
@@ -46,43 +80,99 @@ const CommentItem = ({ comment }) => {
   };
 
   return (
-    <Box
-      p={3}
-      bg={itemBg}
-      borderRadius="md"
-      transition="all 0.2s"
-      _hover={{
-        transform: 'translateY(-2px)',
-        boxShadow: 'sm',
-      }}
-    >
-      <HStack align="start" spacing={3}>
-        {/* 用户头像 */}
-        <Avatar
-          size="sm"
-          name={comment.author?.username || 'Anonymous'}
-          src={comment.author?.avatar}
-        />
+    <>
+      <Box
+        p={3}
+        bg={itemBg}
+        borderRadius="md"
+        transition="all 0.2s"
+        _hover={{
+          transform: 'translateY(-2px)',
+          boxShadow: 'sm',
+        }}
+        position="relative"
+      >
+        <HStack align="start" spacing={3}>
+          {/* 用户头像 */}
+          <Avatar
+            size="sm"
+            name={comment.author?.username || 'Anonymous'}
+            src={comment.author?.avatar}
+          />
 
-        {/* 评论内容区 */}
-        <VStack align="stretch" flex={1} spacing={1}>
-          {/* 用户名和时间 */}
-          <HStack spacing={2}>
-            <Text fontSize="sm" fontWeight="bold" color={usernameColor}>
-              {comment.author?.username || 'Anonymous'}
-            </Text>
-            <Text fontSize="xs" color={timeColor}>
-              {formatTime(comment.created_at)}
-            </Text>
-          </HStack>
+          {/* 评论内容区 */}
+          <VStack align="stretch" flex={1} spacing={1}>
+            {/* 用户名和时间 */}
+            <HStack spacing={2} justify="space-between">
+              <HStack spacing={2}>
+                <Text fontSize="sm" fontWeight="bold" color={usernameColor}>
+                  {comment.author?.username || 'Anonymous'}
+                </Text>
+                <Text fontSize="xs" color={timeColor}>
+                  {formatTime(comment.created_at)}
+                </Text>
+              </HStack>
 
-          {/* 评论内容 */}
-          <Text fontSize="sm" color={contentColor} lineHeight="1.6">
-            {comment.content}
-          </Text>
-        </VStack>
-      </HStack>
-    </Box>
+              {/* 删除按钮 - 只对自己的评论显示 */}
+              {canDelete && (
+                <Tooltip label="删除评论" placement="top">
+                  <IconButton
+                    icon={<DeleteIcon />}
+                    size="xs"
+                    variant="ghost"
+                    colorScheme="red"
+                    aria-label="删除评论"
+                    onClick={onOpen}
+                    opacity={0.6}
+                    _hover={{ opacity: 1 }}
+                  />
+                </Tooltip>
+              )}
+            </HStack>
+
+            {/* 评论内容 */}
+            <Text fontSize="sm" color={contentColor} lineHeight="1.6">
+              {comment.content}
+            </Text>
+          </VStack>
+        </HStack>
+      </Box>
+
+      {/* 删除确认对话框 */}
+      <AlertDialog
+        isOpen={isOpen}
+        leastDestructiveRef={cancelRef}
+        onClose={onClose}
+        isCentered
+      >
+        <AlertDialogOverlay>
+          <AlertDialogContent>
+            <AlertDialogHeader fontSize="lg" fontWeight="bold">
+              删除评论
+            </AlertDialogHeader>
+
+            <AlertDialogBody>
+              确定要删除这条评论吗？此操作不可撤销。
+            </AlertDialogBody>
+
+            <AlertDialogFooter>
+              <Button ref={cancelRef} onClick={onClose} isDisabled={isDeleting}>
+                取消
+              </Button>
+              <Button
+                colorScheme="red"
+                onClick={handleDelete}
+                ml={3}
+                isLoading={isDeleting}
+                loadingText="删除中..."
+              >
+                删除
+              </Button>
+            </AlertDialogFooter>
+          </AlertDialogContent>
+        </AlertDialogOverlay>
+      </AlertDialog>
+    </>
   );
 };
 
diff --git a/src/components/EventCommentSection/CommentList.js b/src/components/EventCommentSection/CommentList.js
index 0a08078f..0770e112 100644
--- a/src/components/EventCommentSection/CommentList.js
+++ b/src/components/EventCommentSection/CommentList.js
@@ -16,7 +16,7 @@ import {
 import { ChatIcon } from '@chakra-ui/icons';
 import CommentItem from './CommentItem';
 
-const CommentList = ({ comments, loading }) => {
+const CommentList = ({ comments, loading, currentUserId, onDelete }) => {
   const emptyTextColor = useColorModeValue('gray.500', 'gray.400');
   const emptyBgColor = useColorModeValue('gray.50', 'gray.700');
 
@@ -58,7 +58,12 @@ const CommentList = ({ comments, loading }) => {
   return (
     <VStack align="stretch" spacing={3}>
       {comments.map((comment) => (
-        <CommentItem key={comment.id} comment={comment} />
+        <CommentItem
+          key={comment.id}
+          comment={comment}
+          currentUserId={currentUserId}
+          onDelete={onDelete}
+        />
       ))}
     </VStack>
   );
diff --git a/src/components/EventCommentSection/EventCommentSection.tsx b/src/components/EventCommentSection/EventCommentSection.tsx
index 47e4dad1..d69a56f6 100644
--- a/src/components/EventCommentSection/EventCommentSection.tsx
+++ b/src/components/EventCommentSection/EventCommentSection.tsx
@@ -144,8 +144,9 @@ const EventCommentSection: React.FC<EventCommentSectionProps> = ({ eventId }) =>
           content_type: 'text',
           author: {
             id: user?.id || 'current_user',
-            username: user?.username || '当前用户',
-            avatar: user?.avatar || null,
+            // 与导航区保持一致：优先显示昵称
+            username: user?.nickname || user?.username || user?.email || '当前用户',
+            avatar: user?.avatar_url || null,
           },
           created_at: new Date().toISOString(),
           likes_count: 0,
@@ -187,6 +188,51 @@ const EventCommentSection: React.FC<EventCommentSectionProps> = ({ eventId }) =>
     }
   }, [eventId, commentText, toast, user, setComments, setTotalCount]);
 
+  /**
+   * 删除评论
+   */
+  const handleDeleteComment = useCallback(async (commentId: string | number) => {
+    try {
+      const result = await eventService.deletePost(commentId);
+
+      if (result.success) {
+        // 从本地 state 中移除该评论
+        setComments((prevComments) =>
+          prevComments.filter((comment) => comment.id !== commentId)
+        );
+        // 总评论数 -1
+        setTotalCount((prevTotal) => Math.max(0, prevTotal - 1));
+
+        toast({
+          title: '评论已删除',
+          status: 'success',
+          duration: 2000,
+          isClosable: true,
+        });
+
+        logger.info('EventCommentSection', '评论删除成功', {
+          eventId,
+          commentId,
+        });
+      } else {
+        throw new Error(result.message || '删除评论失败');
+      }
+    } catch (error: any) {
+      logger.error('EventCommentSection', 'handleDeleteComment', error, {
+        eventId,
+        commentId,
+      });
+      toast({
+        title: '删除评论失败',
+        description: error.message || '请稍后重试',
+        status: 'error',
+        duration: 3000,
+        isClosable: true,
+      });
+      throw error; // 重新抛出让 CommentItem 知道删除失败
+    }
+  }, [eventId, toast, setComments, setTotalCount]);
+
   return (
     <Box>
       {/* 标题栏 */}
@@ -203,7 +249,12 @@ const EventCommentSection: React.FC<EventCommentSectionProps> = ({ eventId }) =>
 
       {/* 评论列表 */}
       <Box mb={4}>
-        <CommentList comments={comments} loading={loading} />
+        <CommentList
+          comments={comments}
+          loading={loading}
+          currentUserId={user?.id}
+          onDelete={handleDeleteComment}
+        />
       </Box>
 
       {/* 加载更多按钮（仅当有更多评论时显示） */}
diff --git a/src/mocks/handlers/event.js b/src/mocks/handlers/event.js
index a8f488e5..95c23f6d 100644
--- a/src/mocks/handlers/event.js
+++ b/src/mocks/handlers/event.js
@@ -5,6 +5,7 @@ import { http, HttpResponse } from 'msw';
 import { getEventRelatedStocks, generateMockEvents, generateHotEvents, generatePopularKeywords, generateDynamicNewsEvents } from '../data/events';
 import { getMockFutureEvents, getMockEventCountsForMonth, toggleEventFollowStatus, isEventFollowed } from '../data/account';
 import { generatePopularConcepts } from './concept';
+import { getCurrentUser } from '../data/users';
 
 // 模拟网络延迟
 const delay = (ms = 300) => new Promise(resolve => setTimeout(resolve, ms));
@@ -1498,15 +1499,19 @@ export const eventHandlers = [
         console.log('[Mock] 发表评论, eventId:', eventId, 'content:', body.content);
 
         try {
+            // 获取当前登录用户信息
+            const currentUser = getCurrentUser();
+
             // 模拟创建新评论
             const newComment = {
                 id: `comment_${eventId}_${Date.now()}`,
                 content: body.content,
                 content_type: body.content_type || 'text',
                 author: {
-                    id: 'current_user',
-                    username: '当前用户',
-                    avatar: null,
+                    id: currentUser?.id || 'current_user',
+                    // 与导航区保持一致：优先显示昵称
+                    username: currentUser?.nickname || currentUser?.username || currentUser?.email || '当前用户',
+                    avatar: currentUser?.avatar_url || null,
                 },
                 created_at: new Date().toISOString(),
                 likes_count: 0,