处理网络请求token为空的问题

keyBoard/Class/Network/KBNetworkManager.m

@@ -44,7 +44,6 @@ NSErrorDomain const KBNetworkErrorDomain = @"com.company.keyboard.network";
         _timeout = 10.0;
         
         NSString *lang = [KBLocalizationManager shared].currentLanguageCode ?: KBLanguageCodeEnglish;
-        NSString *token = [KBUserSessionManager shared].accessToken ? [KBUserSessionManager shared].accessToken : @"";
 
         // 如果还有 query 参数也塞进来
         // signParams[@"lang"] = @"zh";
@@ -54,7 +53,6 @@ NSErrorDomain const KBNetworkErrorDomain = @"com.company.keyboard.network";
         _defaultHeaders = @{
             @"Accept": @"*/*",
             @"Accept-Language": lang,
-            @"auth-token" : token,
         };
         // 设置基础域名，路径可相对该地址拼接
         _baseURL = [NSURL URLWithString:KB_BASE_URL];
@@ -357,6 +355,12 @@ autoShowBusinessError:YES
 - (void)applyHeaders:(NSDictionary<NSString *,NSString *> *)headers toMutableRequest:(NSMutableURLRequest *)req contentType:(NSString *)contentType {
     // 合并默认头与局部头，并注入授权头（若可用）。局部覆盖优先。
     NSMutableDictionary *all = [self.defaultHeaders mutableCopy] ?: [NSMutableDictionary new];
+    NSString *token = [KBAuthManager shared].current.accessToken;
+    if (token.length > 0) {
+        all[@"auth-token"] = token;
+    } else {
+        [all removeObjectForKey:@"auth-token"];
+    }
     NSDictionary *auth = [[KBAuthManager shared] authorizationHeader];
     [auth enumerateKeysAndObjectsUsingBlock:^(NSString *key, NSString *obj, BOOL *stop) { all[key] = obj; }];
     if (contentType) all[@"Content-Type"] = contentType;