1.修复阿里百川拉起渠道授权的页面

android/src/main/java/com/wxwx/flutter_alibc/FlutterAlibcHandle.java

@@ -194,7 +194,7 @@ public class FlutterAlibcHandle {
                     @Override
                     public void onSuccess(int i, String s, String s1) {
                         Log.d("阿里百川打开WebView", "webview");
-                        Intent intent = new Intent(register.activity(), WebActivity.class);
+                        Intent intent = new Intent(register.context(), WebActivity.class);
                         intent.putExtra("url", (String) call.argument("url"));
                         register.activity().startActivity(intent);
                     }
@@ -206,7 +206,7 @@ public class FlutterAlibcHandle {
                 });
             } else {
                 Log.d("阿里百川打开WebView", "webview");
-                Intent intent = new Intent(register.activity(), WebActivity.class);
+                Intent intent = new Intent(register.context(), WebActivity.class);
                 intent.putExtra("url", (String) call.argument("url"));
                 register.activity().startActivity(intent);
             }