diff --git a/src/main/java/com/pt/controller/CommentController.java b/src/main/java/com/pt/controller/CommentController.java
new file mode 100644
index 0000000..a85d131
--- /dev/null
+++ b/src/main/java/com/pt/controller/CommentController.java
@@ -0,0 +1,78 @@
+package com.pt.controller;
+
+import com.pt.constant.Constants;
+import com.pt.service.CommentService;
+import com.pt.utils.JWTUtils;
+import com.pt.entity.Comment;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+@RestController
+@RequestMapping("/api/comment")
+@CrossOrigin(origins = "*")
+public class CommentController {
+
+    @Autowired
+    private CommentService commentService;
+
+    @PostMapping("/add")
+    public ResponseEntity<?> addComment(
+            @RequestHeader("token") String token,
+            @RequestParam("content") String content,
+            @RequestParam("username") String username,
+            @RequestParam("postId") int postId
+    ) {
+        Map<String, Object> ans = new HashMap<>();
+
+        if (!JWTUtils.checkToken(token, username, Constants.UserRole.USER)) {
+            ans.put("result", "Invalid token");
+            return ResponseEntity.badRequest().body(ans);
+        }
+
+        commentService.addComment(content, username, postId);
+        ans.put("result", "Comment added successfully");
+        return ResponseEntity.ok(ans);
+    }
+
+    @DeleteMapping("/delete")
+    public ResponseEntity<?> deleteComment(
+            @RequestHeader("token") String token,
+            @RequestParam("commentId") int commentId,
+            @RequestParam("username") String username
+    ) {
+        Map<String, Object> ans = new HashMap<>();
+
+        if (!JWTUtils.checkToken(token, username, Constants.UserRole.ADMIN)) {
+            ans.put("result", "Invalid token");
+            return ResponseEntity.badRequest().body(ans);
+        }
+
+        commentService.deleteComment(commentId);
+        ans.put("result", "Comment deleted successfully");
+        return ResponseEntity.ok(ans);
+    }
+
+    @GetMapping("/get")
+    public ResponseEntity<?> getComments(
+            @RequestHeader("token") String token,
+            @RequestParam("postId") int postId,
+            @RequestParam("username") String username
+    ) {
+        Map<String, Object> ans = new HashMap<>();
+
+        if(!JWTUtils.checkToken(token, username, Constants.UserRole.USER)) {
+            ans.put("result", "Invalid token");
+            return ResponseEntity.badRequest().body(ans);
+        }
+
+        List<Comment> comments = commentService.getCommentsByPostId(postId);
+        ans.put("result", "Comments retrieved successfully");
+        ans.put("comments", comments);
+        return ResponseEntity.ok(ans);
+    }
+}
diff --git a/src/main/java/com/pt/controller/PostController.java b/src/main/java/com/pt/controller/PostController.java
index 844dc65..387cc2d 100644
--- a/src/main/java/com/pt/controller/PostController.java
+++ b/src/main/java/com/pt/controller/PostController.java
@@ -61,7 +61,6 @@
         * @param title 帖子标题（可选）
         * @param author 帖子作者（可选）
         * @param date 帖子发布日期（可选）
-        * @return 帖子列表的响应
      */
     @GetMapping("/list")
     public ResponseEntity<?> getPost(