1

keyBoard/Class/AiTalk/M/KBAICommentModel.m

@@ -26,11 +26,6 @@
   return @{@"replies" : [KBAIReplyModel class]};
 }
 
-- (void)setLiked:(NSInteger)liked {
-  // 后端返回的是 NSInteger (0/1)，转换为 BOOL
-  _isLiked = (liked == 1);
-}
-
 - (void)setCreatedAt:(NSString *)createdAt {
   // 后端返回的是字符串时间，转换为时间戳
   if (createdAt && createdAt.length > 0) {
@@ -44,6 +39,28 @@
   }
 }
 
+#pragma mark - MJExtension Hook
+
+/// MJExtension 转换完成后的钩子方法，用于处理空值
+- (void)mj_didConvertToObjectWithKeyValues:(NSDictionary *)keyValues {
+  // 防止后端返回 null，统一设置空字符串为默认值
+  if (!_commentId) {
+    _commentId = @"";
+  }
+  if (!_userId) {
+    _userId = @"";
+  }
+  if (!_userName) {
+    _userName = @"";
+  }
+  if (!_avatarUrl) {
+    _avatarUrl = @"";
+  }
+  if (!_content) {
+    _content = @"";
+  }
+}
+
 - (instancetype)init {
   self = [super init];
   if (self) {
@@ -133,7 +150,8 @@
   
   // 内容高度（多行）
   UIFont *contentFont = [UIFont systemFontOfSize:15];
-  CGRect contentRect = [self.content boundingRectWithSize:CGSizeMake(contentWidth, CGFLOAT_MAX)
+  NSString *contentText = self.content ?: @"";
+  CGRect contentRect = [contentText boundingRectWithSize:CGSizeMake(contentWidth, CGFLOAT_MAX)
                                                   options:NSStringDrawingUsesLineFragmentOrigin | NSStringDrawingUsesFontLeading
                                                attributes:@{NSFontAttributeName: contentFont}
                                                   context:nil];