diff --git a/library/src/main/ets/ImageKnife.ets b/library/src/main/ets/ImageKnife.ets
index 916f11a..6e01ae1 100644
--- a/library/src/main/ets/ImageKnife.ets
+++ b/library/src/main/ets/ImageKnife.ets
@@ -54,7 +54,7 @@ export class ImageKnife {
    */
   async initFileCache(context: Context, size: number, memory: number) {
     this.fileCache = new FileCache(context, size, memory)
-    this.fileCache.initFileCache()
+    await this.fileCache.initFileCache()
   }
 
   /**