fix win7 face detecting error

package.json

@@ -23,7 +23,7 @@
     "@chenfengyuan/vue-qrcode": "^1.0.0",
     "axios": "^0.18.0",
     "core-js": "^2.6.5",
-    "face-api.js": "^0.20.0",
+    "face-api.js": "zjlovezj/face-api.js#0.20.0-wzj",
     "iview": "^3.4.1",
     "js-md5": "^0.7.3",
     "moment": "^2.24.0",

src/features/OnlineExam/Examing/FaceTracking.vue

@@ -10,7 +10,7 @@ function getFaceDetectorOptions() {
   window.____hideMe =
     window.____hideMe ||
     new faceapi.TinyFaceDetectorOptions({
-      inputSize: 320,
+      inputSize: 256,
       scoreThreshold: 0.5,
     });
   return window.____hideMe;