fix issue

example/ios/Runner/Runner.entitlements

-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>com.apple.developer.associated-domains</key>
-	<array/>
-</dict>
-</plist>

ios/Classes/FluwxAuthHandler.m

@@ -21,11 +21,11 @@ FlutterMethodChannel *_fluwxMethodChannel = nil;
     return self;
 }
 
-- (void)handAuthByPhoneLogin:(FlutterMethodCall*)call result:(FlutterResult)result{
+- (void)handleAuthByPhoneLogin:(FlutterMethodCall*)call result:(FlutterResult)result{
     UIViewController *vc = UIApplication.sharedApplication.keyWindow.rootViewController;
     SendAuthReq *authReq = [[SendAuthReq alloc]init];
-    authReq.scope = @"snsapi_userinfo";
-    authReq.state = @"123";
+    authReq.scope = call.arguments[@"scope"];
+    authReq.state = (call.arguments[@"state"] == (id) [NSNull null]) ? nil : call.arguments[@"state"];
     [WXApi sendAuthReq:authReq viewController:vc delegate:[FluwxResponseHandler defaultManager] completion:^(BOOL success) {
         result(@(success));
     }];

ios/Classes/FluwxPlugin.m

@@ -55,7 +55,7 @@ BOOL handleOpenURLByFluwx = YES;
     } else if ([@"autoDeduct" isEqualToString:call.method]) {
         [self handleAutoDeductWithCall:call result:result];
     }else if([@"authByPhoneLogin" isEqualToString:call.method]){
-        [_fluwxAuthHandler handAuthByPhoneLogin:call result:result];
+        [_fluwxAuthHandler handleAuthByPhoneLogin:call result:result];
     } else if ([call.method hasPrefix:@"share"]) {
         [_fluwxShareHandler handleShare:call result:result];
     } else {

lib/src/fluwx_iml.dart

@@ -241,6 +241,9 @@ Future _methodHandler(MethodCall methodCall) {
   return Future.value();
 }
 
-Future<bool> authWechatByPhoneLogin() async{
-  return  await _channel.invokeMethod("authByPhoneLogin");
+///IOS only
+Future<bool> authWeChatByPhoneLogin(
+    {@required String scope, String state}) async {
+  return await _channel
+      .invokeMethod("authByPhoneLogin", {"scope": scope, "state": state});
 }