1

pages/index/index.vue

@@ -1396,8 +1396,24 @@
 			saveHomeAdImageCache(cache) {
 				uni.setStorageSync(HOME_AD_IMAGE_CACHE_KEY, cache)
 			},
+			isSavedFileExists(filePath) {
+				if (!filePath || filePath.indexOf('__tmp__') !== -1) return false
+				try {
+					const fs = (uni.getFileSystemManager && uni.getFileSystemManager())
+						|| (typeof wx !== 'undefined' && wx.getFileSystemManager ? wx.getFileSystemManager() : null)
+					if (fs && fs.accessSync) {
+						fs.accessSync(filePath)
+						return true
+					}
+				} catch (e) {
+					return false
+				}
+				return true
+			},
 			isHomeAdImageCacheValid(cacheItem) {
-				return !!(cacheItem && cacheItem.path && cacheItem.path.indexOf('__tmp__') === -1 && Date.now() - Number(cacheItem.savedAt || 0) < HOME_AD_IMAGE_CACHE_TTL)
+				return !!(cacheItem
+					&& Date.now() - Number(cacheItem.savedAt || 0) < HOME_AD_IMAGE_CACHE_TTL
+					&& this.isSavedFileExists(cacheItem.path))
 			},
 			applyCachedAdImages(mallAds) {
 				const cache = this.getHomeAdImageCache()
@@ -1416,6 +1432,9 @@
 						item.adDisplayImage = cacheItem.path
 						return
 					}
+					if (cacheItem && cacheItem.path) {
+						delete cache[imageUrl]
+					}
 					this.cacheHomeAdImage(imageUrl)
 				})
 				this.pruneHomeAdImageCache(cache, activeUrls)
@@ -1429,9 +1448,13 @@
 						this.homeMenuIconImages[key] = cacheItem.path
 						return
 					}
+					if (cacheItem && cacheItem.path) {
+						delete cache[imageUrl]
+					}
 					this.homeMenuIconImages[key] = ''
 					this.cacheHomeMenuIcon(key, imageUrl)
 				})
+				this.saveHomeAdImageCache(cache)
 			},
 			cacheHomeMenuIcon(key, imageUrl) {
 				if (homeAdImageDownloading[imageUrl]) return