diff --git a/entry/src/ohosTest/ets/test/MemoryLruCache.test.ets b/entry/src/ohosTest/ets/test/MemoryLruCache.test.ets
index 1139992..8315fed 100644
--- a/entry/src/ohosTest/ets/test/MemoryLruCache.test.ets
+++ b/entry/src/ohosTest/ets/test/MemoryLruCache.test.ets
@@ -48,7 +48,7 @@ export default function MemoryLruCacheTest() {
     it('assertBasicFunction', 0, async () => {
       let memoryCache: MemoryLruCache = new MemoryLruCache(3, 3 * 1024 * 1024);
 
-      let data: ImageKnifeData = await getNewImageKnifeData()
+      let data: ImageKnifeData = await getNewImageKnifeData(96)
       memoryCache.put("aaa", data)
       memoryCache.put("bbb", data)
       memoryCache.put("ccc", data)
@@ -71,19 +71,23 @@ export default function MemoryLruCacheTest() {
     it('assertSizeLruFuction', 0, async () => {
       let memoryCache: MemoryLruCache = new MemoryLruCache(3, 3 * 1024 * 1024);
 
-      let data: ImageKnifeData = await getNewImageKnifeData()
-      memoryCache.put("aaa", data)
-      memoryCache.put("bbb", data)
-      memoryCache.put("ccc", data)
-      memoryCache.put("ddd", data)
+      let data1: ImageKnifeData = await getNewImageKnifeData(96)
+      let data2: ImageKnifeData = await getNewImageKnifeData(106)
+      let data3: ImageKnifeData = await getNewImageKnifeData(116)
+      let data4: ImageKnifeData = await getNewImageKnifeData(126)
+      let data5: ImageKnifeData = await getNewImageKnifeData(136)
+      memoryCache.put("aaa", data1)
+      memoryCache.put("bbb", data2)
+      memoryCache.put("ccc", data3)
+      memoryCache.put("ddd", data4)
 
       expect(memoryCache.get("aaa")).assertUndefined()
-      expect(memoryCache.get("bbb")).assertEqual(data)
-      memoryCache.put("eee", data)
+      expect(memoryCache.get("bbb")).assertEqual(data2)
+      memoryCache.put("eee", data5)
       expect(memoryCache.get("ccc")).assertUndefined()
-      expect(memoryCache.get("bbb")).assertEqual(data)
-      expect(memoryCache.get("ddd")).assertEqual(data)
-      expect(memoryCache.get("eee")).assertEqual(data)
+      expect(memoryCache.get("bbb")).assertEqual(data2)
+      expect(memoryCache.get("ddd")).assertEqual(data4)
+      expect(memoryCache.get("eee")).assertEqual(data5)
     });
 
     // 测试内存缓存memorySize的lru功能
@@ -117,8 +121,8 @@ export default function MemoryLruCacheTest() {
   });
 }
 
-async function getNewImageKnifeData(): Promise<ImageKnifeData> {
-  const color: ArrayBuffer = new ArrayBuffer(96); //96为需要创建的像素buffer大小，取值为：height * width *4
+async function getNewImageKnifeData(num:number): Promise<ImageKnifeData> {
+  const color: ArrayBuffer = new ArrayBuffer(num); //96为需要创建的像素buffer大小，取值为：height * width *4
   let opts: image.InitializationOptions = {
     editable: true, pixelFormat: 3, size: {
       height: 4, width: 6