fix(新注册用户)：入库时，新增国际区号（int类型）

services/user.go

@@ -214,9 +214,9 @@ func BindWxUser(openid, mobile, email string, areaNum, registerPlatform int) (wx
 			Email:               email,
 			IsRegister:          1,
 			Source:              source,
-			CountryCode:         areaNum,
+			CountryCode:         strconv.Itoa(areaNum),
 			OutboundMobile:      mobile,
-			OutboundCountryCode: areaNum,
+			OutboundCountryCode: strconv.Itoa(areaNum),
 		}
 		tmpUserId, addUserErr := models.AddWxUser(user)
 		//添加完成，清除缓存