fix: prj获取不到而无法加载完毕

src/sdk/cover/index.js

@@ -93,13 +93,22 @@ 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]
+                    /* let data = await window.offlineData[url]
                     if(data){
                         resolve(data) 
                     }else{
                         console.error('没找到',url)
                         reject()
-                    } 
+                    }  */
+                    try {
+                        let data await window.offlineData[url]
+                        if(data){
+                            resolve(data) 
+                        }  
+                    }catch {
+                        console.error('没找到', url)
+                        reject()
+                    }
                 })
                 
             }