diff --git a/YuMi/E-P/NewMoments/Services/EPMomentAPISwiftHelper.swift b/YuMi/E-P/NewMoments/Services/EPMomentAPISwiftHelper.swift
index 56f3cd7..ad6aa06 100644
--- a/YuMi/E-P/NewMoments/Services/EPMomentAPISwiftHelper.swift
+++ b/YuMi/E-P/NewMoments/Services/EPMomentAPISwiftHelper.swift
@@ -74,5 +74,38 @@ import Foundation
             }
         }, uid: uid, type: type, worldId: "", content: content, resList: resList)
     }
+    
+    /// 点赞/取消点赞动态
+    /// - Parameters:
+    ///   - dynamicId: 动态 ID
+    ///   - isLike: true=点赞，false=取消点赞
+    ///   - likedUid: 动态发布者 UID
+    ///   - worldId: 话题 ID
+    ///   - completion: 成功回调
+    ///   - failure: 失败回调 (错误码, 错误信息)
+    @objc func likeMoment(
+        dynamicId: String,
+        isLike: Bool,
+        likedUid: String,
+        worldId: Int,
+        completion: @escaping () -> Void,
+        failure: @escaping (Int, String) -> Void
+    ) {
+        guard let uid = AccountInfoStorage.instance().getUid() else {
+            failure(-1, "用户未登录")
+            return
+        }
+        
+        let status = isLike ? "1" : "0"
+        let worldIdStr = String(format: "%ld", worldId)
+        
+        Api.momentsLike({ (data, code, msg) in
+            if code == 200 {
+                completion()
+            } else {
+                failure(Int(code), msg ?? "点赞操作失败")
+            }
+        }, dynamicId: dynamicId, uid: uid, status: status, likedUid: likedUid, worldId: worldIdStr)
+    }
 }
 
diff --git a/YuMi/E-P/NewMoments/Views/EPMomentCell.m b/YuMi/E-P/NewMoments/Views/EPMomentCell.m
index 4c811be..4d69453 100644
--- a/YuMi/E-P/NewMoments/Views/EPMomentCell.m
+++ b/YuMi/E-P/NewMoments/Views/EPMomentCell.m
@@ -9,10 +9,10 @@
 #import "EPMomentCell.h"
 #import "MomentsInfoModel.h"
 #import "AccountInfoStorage.h"
-#import "Api+Moments.h"
 #import "NetImageView.h"
 #import "EPEmotionColorStorage.h"
 #import "SDPhotoBrowser.h"
+#import "YuMi-Swift.h" // Swift 互操作
 
 @interface EPMomentCell () <SDPhotoBrowserDelegate>
 
@@ -51,6 +51,9 @@
 /// 当前数据模型
 @property (nonatomic, strong) MomentsInfoModel *currentModel;
 
+/// API Helper (Swift 版本)
+@property (nonatomic, strong) EPMomentAPISwiftHelper *apiHelper;
+
 @end
 
 @implementation EPMomentCell
@@ -307,31 +310,32 @@
 - (void)performLikeAction:(BOOL)isLike {
     NSLog(@"[EPMomentCell] %@ 动态: %@", isLike ? @"点赞" : @"取消点赞", self.currentModel.dynamicId);
     
-    NSString *uid = [[AccountInfoStorage instance] getUid];
     NSString *dynamicId = self.currentModel.dynamicId;
-    NSString *status = isLike ? @"1" : @"0"; // 0=取消，1=点赞
     NSString *likedUid = self.currentModel.uid;
-    NSString *worldId = [NSString stringWithFormat:@"%ld", self.currentModel.worldId];
+    long worldId = self.currentModel.worldId;
     
-    [Api momentsLike:^(BaseModel * _Nullable data, NSInteger code, NSString * _Nullable msg) {
-        if (code == 200) {
-            // 更新点赞状态
-            self.currentModel.isLike = isLike;
-            NSInteger likeCount = [self.currentModel.likeCount integerValue];
-            likeCount += isLike ? 1 : -1;
-            likeCount = MAX(0, likeCount); // 防止负数
-            self.currentModel.likeCount = @(likeCount).stringValue;
-            
-            // 更新 UI
-            self.likeButton.selected = self.currentModel.isLike;
-            [self.likeButton setTitle:[NSString stringWithFormat:@" %ld", (long)likeCount] forState:UIControlStateNormal];
-            [self.likeButton setTitle:[NSString stringWithFormat:@" %ld", (long)likeCount] forState:UIControlStateSelected];
-            
-            NSLog(@"[EPMomentCell] %@ 成功", isLike ? @"点赞" : @"取消点赞");
-        } else {
-            NSLog(@"[EPMomentCell] %@ 失败: %@", isLike ? @"点赞" : @"取消点赞", msg);
-        }
-    } dynamicId:dynamicId uid:uid status:status likedUid:likedUid worldId:worldId];
+    // 使用 Swift API Helper
+    [self.apiHelper likeMomentWithDynamicId:dynamicId
+                                     isLike:isLike
+                                  likedUid:likedUid
+                                    worldId:worldId
+                                 completion:^{
+        // 更新点赞状态
+        self.currentModel.isLike = isLike;
+        NSInteger likeCount = [self.currentModel.likeCount integerValue];
+        likeCount += isLike ? 1 : -1;
+        likeCount = MAX(0, likeCount); // 防止负数
+        self.currentModel.likeCount = @(likeCount).stringValue;
+        
+        // 更新 UI
+        self.likeButton.selected = self.currentModel.isLike;
+        [self.likeButton setTitle:[NSString stringWithFormat:@" %ld", (long)likeCount] forState:UIControlStateNormal];
+        [self.likeButton setTitle:[NSString stringWithFormat:@" %ld", (long)likeCount] forState:UIControlStateSelected];
+        
+        NSLog(@"[EPMomentCell] %@ 成功", isLike ? @"点赞" : @"取消点赞");
+    } failure:^(NSInteger code, NSString * _Nonnull msg) {
+        NSLog(@"[EPMomentCell] %@ 失败 (code: %ld): %@", isLike ? @"点赞" : @"取消点赞", (long)code, msg);
+    }];
 }
 
 // 评论功能已隐藏
@@ -481,4 +485,11 @@
     return _imageViews;
 }
 
+- (EPMomentAPISwiftHelper *)apiHelper {
+    if (!_apiHelper) {
+        _apiHelper = [[EPMomentAPISwiftHelper alloc] init];
+    }
+    return _apiHelper;
+}
+
 @end