Android应用程序没有连接到Wifi，但通过Wifi共享3G工作正常

Hi, I am not able to understand why my android application does not work when it accesses the internet through WiFi. The application is able to work when it uses its own 3G connection. It doesn't connect to WIFI. But if I share my 3g connection which i have in my iPhone through WiFi (tethering) the android device can access the server. I checked the application in various devices, and changed the manifest as follows, still no response.Hi, I am not able to understand why my android