fix: fileStorage

src/sdk/cover/index.js

@@ -106,14 +106,16 @@ export const enter = ({ dom, mapDom, isLocal, lonlat, scenes, laserRoot, laserOS
         }
         Potree.fileStorage = { 
             get(url){
-                return new Promise(async function(resolve,reject){
-                    let data = await window.offlineData[url]
-                    if(data){
-                        resolve(data) 
-                    }else{
-                        console.error('没找到',url)
+                return new Promise(async function(resolve,reject){ 
+                    try {
+                        let data = await window.offlineData[url]
+                        if(data){
+                            resolve(data) 
+                        }  
+                    }catch(e){
+                        console.error('没找到', url, e)
                         reject()
-                    } 
+                    }
                 })
                 
             }