fix:

public/static/lib/potree/potree.js

@@ -75033,7 +75033,7 @@ void main()
 	            }else if(e.event.key == 'y'){
 	                viewer.images360.cube.material.wireframe = false;
 	                viewer.images360.cube.visible = Potree.settings.displayMode == 'showPanos';
-	            }                
+	            }                 
 	        }); 
 	        
 	    }  
@@ -75180,12 +75180,12 @@ void main()
 	    
 	    urls:{
 	        //localTextures:'../resources/textures/', 
-	        prefix1: 'https://laser-oss.4dkankan.com',//oss
-	        prefix2: 'https://testlaser.4dkankan.com',
-	        prefix3: 'https://4dkk.4dage.com',
-	        prefix4: 'https://uat-laser.4dkankan.com',//test.4dkankan
-	        prefix5: 'https://laser.4dkankan.com',
-	        prefix6: 'https://mix3d.4dkankan.com/backend',
+	        prefix1: '',//'https://laser-oss.4dkankan.com',//oss
+	        prefix2: '',//'https://testlaser.4dkankan.com',
+	        prefix3: '',//'https://4dkk.4dage.com',
+	        prefix4: '',//'https://uat-laser.4dkankan.com',//test.4dkankan
+	        prefix5: '',//'https://laser.4dkankan.com',
+	        prefix6: '',//'https://mix3d.4dkankan.com/backend',
 	        
 	    },