考试过程中的摄像头框固定大小400x300

src/features/OnlineExam/Examing/ExamingHome.vue

@@ -24,8 +24,8 @@
       <div v-if="faceEnable" class="camera">
         <FaceRecognition
           v-if="faceEnable"
-          width="100%"
-          height="100%"
+          width="400"
+          height="300"
           :showRecognizeButton="false"
         />
       </div>