fix: 错误判断

src/components/MMCFlightControlCenter/components/hangar/components/controlPanel/components/controlLeft/components/player/components/player/components/livenvr/index.vue

@@ -35,7 +35,7 @@ export default {
         // console.log('livenvr', value)
         if (newVal ) {
           this.$nextTick(() => {
-            this.$refs["livePlayer"].play();
+            this.$refs["livePlayer"]?.play();
           });
         }
       },

src/components/MMCFlightControlCenter/components/uavApplications/components/player/components/livenvr/index.vue

@@ -86,10 +86,10 @@ export default {
         if (value.vUrl == oldVal?.vUrl) {
           return;
         }
-        // console.log('livenvr', value)
+        console.log('livenvr', value, oldVal)
         if (value && value.vUrl) {
           this.$nextTick(() => {
-            this.$refs["livePlayer"].play();
+            this.$refs["livePlayer"]?.play();
           });
         }
       },