微信登陆，bug修改

Ifish/controllers/leftcontrollers/SecondConnectWifiController.m

@@ -395,8 +395,21 @@ extern BOOL isfromCameraView;
 - (IBAction)makeSureButton:(id)sender {
     
     
+    if (!_ssid.length)
+    {
+         [self.view makeToast:@"未能获取到WiFi名称，请确认地理位置权限是否打开"];
+        return;
+    }
+    if (!_wifiTextFiled.text.length)
+    {
+         [self.view makeToast:@"请输入WiFi密码！"];
+        return;
+    }
     [_wifiTextFiled resignFirstResponder];
-    NSString *ssidName = [_ssid substringWithRange:NSMakeRange(_ssid.length-2, 2)];
+    NSString *ssidName = @"";
+    if (_ssid.length>2) {
+        ssidName= [_ssid substringWithRange:NSMakeRange(_ssid.length-2, 2)];
+    }
     if ([ssidName.uppercaseString isEqualToString:@"5G"]) {
         UIAlertView *alert= [[UIAlertView alloc] initWithTitle:@"" message:@"仅支持2.4G WI-Fi网络,请重新选择" delegate:nil cancelButtonTitle:@"去更改" otherButtonTitles:nil, nil];
         [alert show];
@@ -527,6 +540,7 @@ extern BOOL isfromCameraView;
     NSUserDefaults*userdefult=[NSUserDefaults standardUserDefaults];
     
     [userdefult setObject:self.wifiTextFiled.text forKey:@"wifiPass"];
+    self.wifiPass=self.wifiTextFiled.text;
     [userdefult synchronize];
 }