diff --git a/imageknife/src/main/ets/components/cache/DiskLruCache.ets b/imageknife/src/main/ets/components/cache/DiskLruCache.ets
index f1e3a6c..35594a4 100644
--- a/imageknife/src/main/ets/components/cache/DiskLruCache.ets
+++ b/imageknife/src/main/ets/components/cache/DiskLruCache.ets
@@ -162,6 +162,7 @@ export class DiskLruCache {
    */
   setMaxSize(max: number) {
     this.maxSize = max
+    this.trimToSize()
   }
 
   /**
@@ -238,7 +239,7 @@ export class DiskLruCache {
     if (this.fileUtils.exist(path)) {
       var ab: ArrayBuffer = this.fileUtils.readFilePic(path)
       this.putCacheMap(key, ab.byteLength)
-      this.fileUtils.writeData(path, 'read ' + key + '\n')
+      this.fileUtils.writeData(this.journalPath, 'read ' + key + '\n')
       return ab
     } else {
       return null;
@@ -260,7 +261,7 @@ export class DiskLruCache {
     }
     var path = this.dirPath + key;
     if (this.fileUtils.exist(path)) {
-      this.fileUtils.writeData(path, 'read ' + key + '\n')
+      this.fileUtils.writeData(this.journalPath, 'read ' + key + '\n')
       return path
     } else {
       return null