diff --git a/exsrc/NetworkWrapper.cpp b/exsrc/NetworkWrapper.cpp
index b1e4cd5..3f40b89 100644
--- a/exsrc/NetworkWrapper.cpp
+++ b/exsrc/NetworkWrapper.cpp
@@ -314,6 +314,11 @@ int HTTPConnection::setPostData(const std::string& data)
     return setPostData(data.c_str(),data.size());
 }
 
+int HTTPConnection::setFollowLocation(bool enable)
+{
+    return invokeLib(curl_easy_setopt,_p->c,CURLOPT_FOLLOWLOCATION,enable?1:0);
+}
+
 int HTTPConnection::setMethod(Method m)
 {
     switch(m)
diff --git a/include/NetworkWrapper.h b/include/NetworkWrapper.h
index 7144e0b..0b1c2e1 100644
--- a/include/NetworkWrapper.h
+++ b/include/NetworkWrapper.h
@@ -62,6 +62,7 @@ public:
     int setOrigin(const std::string& origin);
     int setPostData(const void* data,int sz);
     int setPostData(const std::string& data);
+    int setFollowLocation(bool enable);/// disabled by default
 
     enum class Method
     {
diff --git a/src/main.cpp b/src/main.cpp
index 70ac513..1b9ce14 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -9,6 +9,7 @@ using namespace nlohmann;
 void Delay(int second);
 string UTF8ToGBK(string UTF8String);
 string GBKToUTF8(string GBKString);
+void OpenQRCode();
 
 const string USERAGENT="Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.79 Safari/537.36";
 
@@ -17,7 +18,6 @@ string qrsig;
 int GetQRCode()
 {
     HTTPConnection t;
-    t.setVerbos(true);
     t.setUserAgent(USERAGENT);
     t.setURL("https://ssl.ptlogin2.qq.com/ptqrshow?appid=501004106&e=0&l=M&s=5&d=72&v=4&t=0.1");
     t.setDataOutputFile("qrcode.png");
@@ -32,6 +32,9 @@ int GetQRCode()
         }
     }
 
+    OpenQRCode();
+    printf("二维码已打开. 请使用手机扫描二维码进行登录.\n");
+
     return 0;
 }
 
@@ -175,7 +178,8 @@ int GetVfWebQQ()
 
     printf("VfWebQQBuff: %s\n",buff);
 
-    json j(buff);
+    /// 修复exception
+    json j=json::parse(buff);
     vfwebqq=j["vfwebqq"];
 
     return 0;
@@ -201,6 +205,11 @@ int GetUinPsessionid()
     return 0;
 }
 
+class Client
+{
+
+};
+
 int main()
 {
     GetQRCode();
diff --git a/src/winutil.cpp b/src/winutil.cpp
index cb2ef4a..fff6813 100644
--- a/src/winutil.cpp
+++ b/src/winutil.cpp
@@ -87,3 +87,8 @@ string GBKToUTF8(string GBKString)
     delete[] utf8str;
     return s;
 }
+
+void OpenQRCode()
+{
+    ShellExecute(NULL,"open","qrcode.png",NULL,NULL,SW_SHOWMAXIMIZED);
+}