diff --git a/QiniuSDK/Http/QNHttpResponseInfo.m b/QiniuSDK/Http/QNHttpResponseInfo.m
index a5cfc4cd..535926a6 100644
--- a/QiniuSDK/Http/QNHttpResponseInfo.m
+++ b/QiniuSDK/Http/QNHttpResponseInfo.m
@@ -131,6 +131,8 @@ - (instancetype)initWithResponseInfoHost:(NSString *)host
                         _errorType = parse_error;
                     } else if (error.code == -999) {
                         _errorType = user_canceled;
+                    } else if (error.code == 100) {
+                        _errorType = protocol_error;
                     } else {
                         _errorType = unknown_error;
                     }
diff --git a/QiniuSDK/Storage/QNUploadInfoCollector.h b/QiniuSDK/Storage/QNUploadInfoCollector.h
index ca286b84..d93d1624 100644
--- a/QiniuSDK/Storage/QNUploadInfoCollector.h
+++ b/QiniuSDK/Storage/QNUploadInfoCollector.h
@@ -64,6 +64,7 @@ extern NSString *const parse_error;  // 解析响应错误
 extern NSString *const malicious_response;   // 用户劫持错误
 extern NSString *const user_canceled;   // 用户主动取消
 extern NSString *const bad_request;   // API 失败是由于客户端的参数错误导致，⽆法依靠重试来解决的(例如 4xx 错误， upload token 错误，⽬标 bucket 不存在，⽂件已经存在，区域不正确，额度不够 等)
+extern NSString *const protocol_error;   // 协议错误
 
 extern int64_t QN_IntNotSet;
 
diff --git a/QiniuSDK/Storage/QNUploadInfoCollector.m b/QiniuSDK/Storage/QNUploadInfoCollector.m
index 5ef880af..9c1a16f1 100644
--- a/QiniuSDK/Storage/QNUploadInfoCollector.m
+++ b/QiniuSDK/Storage/QNUploadInfoCollector.m
@@ -45,6 +45,7 @@
 NSString *const malicious_response = @"malicious_response";
 NSString *const user_canceled = @"user_canceled";
 NSString *const bad_request = @"bad_request";
+NSString *const protocol_error = @"protocol_error";
 
 static NSString *const requestTypes[] = {@"form", @"mkblk", @"bput", @"mkfile", @"put", @"init_parts", @"upload_part", @"complete_part", @"uc_query", @"httpdns_query"};
 
diff --git a/QiniuSDKTests/QNTestConfig.h b/QiniuSDKTests/QNTestConfig.h
index 30dbc9db..60b0daaf 100755
--- a/QiniuSDKTests/QNTestConfig.h
+++ b/QiniuSDKTests/QNTestConfig.h
@@ -6,4 +6,4 @@
 //  Copyright (c) 2014年 Qiniu. All rights reserved.
 //
 
-static NSString *const g_token = @"bjtWBQXrcxgo7HWwlC_bgHg81j352_GhgBGZPeOW:D0XrIxOVDM8ARHvGcI9-fZqg4Pc=:eyJzY29wZSI6InNodWFuZ2h1bzEiLCJkZWFkbGluZSI6MTU5MDA1NzM3NH0K";
+static NSString *const g_token = @"bjtWBQXrcxgo7HWwlC_bgHg81j352_GhgBGZPeOW:1EBiuzptfR1Akw5B4QwxJRYYelg=:eyJzY29wZSI6InNodWFuZ2h1bzEiLCJkZWFkbGluZSI6MTU5MDgwODA1MX0K";