format code

lib/src/fluwx_iml.dart

@@ -154,7 +154,6 @@ Future sendAuth({String openId, @required String scope, String state}) async {
       "sendAuth", {"scope": scope, "state": state, "openId": openId});
 }
 
-
 /// open mini-program
 /// see [WXMiniProgramType]
 Future launchMiniProgram(
@@ -169,7 +168,6 @@ Future launchMiniProgram(
   });
 }
 
-
 /// true if WeChat is installed,otherwise false.
 /// However,the following key-value must be added into your info.plist since iOS 9:
 /// <key>LSApplicationQueriesSchemes</key>
@@ -186,8 +184,6 @@ Future isWeChatInstalled() async {
   return await _channel.invokeMethod("isWeChatInstalled");
 }
 
-
-
 /// params are from server
 Future pay(
     {@required String appId,
@@ -212,7 +208,6 @@ Future pay(
   });
 }
 
-
 /// subscribe message
 Future subscribeMsg({
   @required String appId,