fix: 1

src/sdk/laser/core/enter.js

@@ -81,6 +81,10 @@ var enter = ({
 
     sceneBus.on("visible", (v) => {
         viewer.visible = v;
+        
+        /* if(v){
+            viewer.dispatchEvent('content_changed') //避免白屏
+        } */
         //console.log('sceneBus visible', v)
     });