diff --git a/frameworks/core/components_ng/pattern/web/web_pattern.cpp b/frameworks/core/components_ng/pattern/web/web_pattern.cpp
index ee1f7ab7998af5aaf26ba5c0a4367ad7309a830e..7cae7db4c64893038d1f4ce1eb4d51026e5bef2e 100644
--- a/frameworks/core/components_ng/pattern/web/web_pattern.cpp
+++ b/frameworks/core/components_ng/pattern/web/web_pattern.cpp
@@ -805,6 +805,16 @@ void WebPattern::OnDetachFromMainTree()
     isAttachedToMainTree_ = false;
     // report component is in background.
     delegate_->OnRenderToBackground();
+
+    auto host = GetHost();
+    CHECK_NULL_VOID(host);
+    auto pipelineContext = host->GetContext();
+    CHECK_NULL_VOID(pipelineContext);
+    auto frontend = pipelineContext->GetFrontend();
+    CHECK_NULL_VOID(frontend);
+    auto accessibilityManager = frontend->GetAccessibilityManager();
+    CHECK_NULL_VOID(accessibilityManager);
+    accessibilityManager->ReleasePageEvent(host, true, true);
 }
 
 void WebPattern::OnAttachToFrameNode()
diff --git a/test/unittest/core/pattern/web/web_pattern_part_one_test.cpp b/test/unittest/core/pattern/web/web_pattern_part_one_test.cpp
index 7f2f0fc79e911509763bfb5c250eed385c69bd0c..27adecafac178314d4a15d4d3df18bb437f805ac 100644
--- a/test/unittest/core/pattern/web/web_pattern_part_one_test.cpp
+++ b/test/unittest/core/pattern/web/web_pattern_part_one_test.cpp
@@ -471,7 +471,8 @@ HWTEST_F(WebPatternPartOneTest, OnDetachFromMainTree_001, TestSize.Level1)
     ASSERT_NE(webPattern, nullptr);
     webPattern->OnModifyDone();
     ASSERT_NE(webPattern->delegate_, nullptr);
-
+    auto host = webPattern->GetHost();
+    EXPECT_NE(host, nullptr);
     webPattern->OnDetachFromMainTree();
     ASSERT_NE(webPattern->delegate_, nullptr);
 #endif