增加流程图

src/views/modules_guAn/visualization/modules/SurveillanceVideo.vue

@@ -44,7 +44,7 @@ export default {
   .video-img{
     width: 100%;
     height: 100%;
-    background: url('~@/assets/visualization/video.png') no-repeat center center;
+    background: url('~@/assets/visualization/flow.png') no-repeat center center;
     background-size: cover;
   }
 </style>