diff --git a/commonlibrary/ets_utils/util2_lib_standard/src/main/js/test/util.test.js b/commonlibrary/ets_utils/util2_lib_standard/src/main/js/test/util.test.js
index 40a48a51afadbbb2ca1f7607a35b255e74d857b3..6d3f8bd0b6de320d7c759f26c207c264e57b1183 100644
--- a/commonlibrary/ets_utils/util2_lib_standard/src/main/js/test/util.test.js
+++ b/commonlibrary/ets_utils/util2_lib_standard/src/main/js/test/util.test.js
@@ -3249,6 +3249,60 @@ describe('LRUCacheTest', function () {
         ChildLRUCache.getInstance().afterRemoval(true,'abc','ab','string')
         expect(arr[2]).assertEqual('string')
     })
+
+    /**
+     * @tc.name: testLRUCacheAfterRemoval006
+     * @tc.desc: Executes subsequent operations after a value is deleted.
+     */
+    it('testLRUCacheAfterRemoval006', 0, function () {
+        var arr = [];
+        class ChildLRUCache extends util.LRUCache
+        {
+            constructor(capacity)
+            {
+                super(capacity);
+            }
+            afterRemoval(isEvict, key, value, newValue)
+            {
+                if (isEvict === true)
+                {
+                    arr = [key, value];
+                }
+            }
+        }
+        var that = new ChildLRUCache(2);
+        that.put(1,2)
+        that.put(3,10)
+        that.put('abc',20)
+        expect(arr[1]).assertEqual(20)
+    })
+
+    /**
+     * @tc.name: testLRUCacheAfterRemoval007
+     * @tc.desc: Executes subsequent operations after a value is deleted.
+     */
+    it('testLRUCacheAfterRemoval007', 0, function () {
+        var arr = [];
+        class ChildLRUCache extends util.LRUCache
+        {
+            constructor(capacity)
+            {
+                super(capacity);
+            }
+            afterRemoval(isEvict, key, value, newValue)
+            {
+                if (isEvict === false)
+                {
+                    arr = [key, value, newValue];
+                }
+            }
+        }
+        var that = new ChildLRUCache(3);
+        that.put(1,2)
+        that.put(3,10)
+        that.put(1,8)
+        expect(arr[2]).assertEqual(8)
+    })
 })
 
 describe('FunctionTest', function () {
diff --git a/commonlibrary/ets_utils/util_lib_standard/src/main/js/test/util.test.js b/commonlibrary/ets_utils/util_lib_standard/src/main/js/test/util.test.js
index 3fd89089e267a6047d396f2f9710e4455ce2fa3d..ded7da5dab35386b8a03cf3ad254a79ea5bf1146 100644
--- a/commonlibrary/ets_utils/util_lib_standard/src/main/js/test/util.test.js
+++ b/commonlibrary/ets_utils/util_lib_standard/src/main/js/test/util.test.js
@@ -4677,6 +4677,60 @@ describe('LruBufferFunTest', function () {
         ChildLruBuffer.getInstance().afterRemoval(true,'abc','ab','string')
         expect(arr[2]).assertEqual('string')
     })
+
+    /**
+     * @tc.name: testLruBufferAfterRemoval006
+     * @tc.desc: Executes subsequent operations after a value is deleted.
+     */
+    it('testLruBufferAfterRemoval006', 0, function () {
+        var arr = [];
+        class ChildLruBuffer extends util.LruBuffer
+        {
+            constructor(capacity)
+            {
+                super(capacity);
+            }
+            afterRemoval(isEvict, key, value, newValue)
+            {
+                if (isEvict === true)
+                {
+                    arr = [key, value];
+                }
+            }
+        }
+        var that = new ChildLruBuffer(2);
+        that.put(1,2)
+        that.put(3,10)
+        that.put('abc',20)
+        expect(arr[1]).assertEqual(20)
+    })
+
+    /**
+     * @tc.name: testLruBufferAfterRemoval007
+     * @tc.desc: Executes subsequent operations after a value is deleted.
+     */
+    it('testLruBufferAfterRemoval007', 0, function () {
+        var arr = [];
+        class ChildLruBuffer extends util.LruBuffer
+        {
+            constructor(capacity)
+            {
+                super(capacity);
+            }
+            afterRemoval(isEvict, key, value, newValue)
+            {
+                if (isEvict === false)
+                {
+                    arr = [key, value, newValue];
+                }
+            }
+        }
+        var that = new ChildLruBuffer(3);
+        that.put(1,2)
+        that.put(3,10)
+        that.put(1,8)
+        expect(arr[2]).assertEqual(8)
+    })
 })
 
 describe('TypesTest', function() {