fix: 同上

public/lib/potree/potree.js

@@ -164065,7 +164065,7 @@ ENDSEC
 	            fileInfo_.parentInfo.loadedCount ++;
 	            fileInfo_.parentInfo.modelGroup.add(object); 
 	            if(fileInfo_.parentInfo.loadedCount == fileInfo_.parentInfo.url.length){ 
-	                return this.modelLoaded(fileInfo_.parentInfo.modelGroup, fileInfo_.parentInfo)
+	                return this.modelLoaded(fileInfo_.parentInfo.modelGroup, fileInfo_.parentInfo, done)
 	            }else { 
 	                return
 	            }