Update AliyunFacePlugin.java

android/src/main/java/com/aliyun/face/aliyun_face_plugin/AliyunFacePlugin.java

@@ -51,7 +51,7 @@ public class AliyunFacePlugin implements FlutterPlugin, MethodCallHandler {
           Map<String, String> params = call.arguments();
           String certifyId = params.get("certifyId");
           String useVideo = params.get("ext_params_key_use_video");
-          Map<String, String> extParams=new HashMap<>();
+          HashMap<String, String> extParams=new HashMap<>();
           if (useVideo.equals("1")){
               extParams.put("ext_params_key_use_video","true");
           }