diff --git a/services/accesstokenmanager/main/cpp/include/database/rdb_dlopen_manager.h b/services/accesstokenmanager/main/cpp/include/database/rdb_dlopen_manager.h
index c5b9fd3a28f326e18648ea84b206fb3d1e647c2f..6f8cc0a82bf164b9729a55c90a05c52c323d8ec5 100644
--- a/services/accesstokenmanager/main/cpp/include/database/rdb_dlopen_manager.h
+++ b/services/accesstokenmanager/main/cpp/include/database/rdb_dlopen_manager.h
@@ -66,6 +66,7 @@ private:
     std::mutex handleMutex_;
     void* handle_ = nullptr;
     AccessTokenDbLoaderInterface* instance_ = nullptr;
+    std::atomic_int32_t taskNum_ = 0;
 };
 } // namespace AccessToken
 } // namespace Security
diff --git a/services/accesstokenmanager/main/cpp/src/database/rdb_dlopen_manager.cpp b/services/accesstokenmanager/main/cpp/src/database/rdb_dlopen_manager.cpp
index 575f7e37a1b8568fcae12ba08e38411c469dfd15..f423906b833c0f69fd0c1420478fccd03354ae7a 100644
--- a/services/accesstokenmanager/main/cpp/src/database/rdb_dlopen_manager.cpp
+++ b/services/accesstokenmanager/main/cpp/src/database/rdb_dlopen_manager.cpp
@@ -28,7 +28,7 @@ namespace {
 constexpr const char* RDB_SYMBOL_CREATE = "Create";
 constexpr const char* RDB_SYMBOL_DESTROY = "Destroy";
 constexpr const char* DELAY_DLCLOSE_TASK_NAME = "DelayDlclose";
-constexpr int64_t DELAY_DLCLOSE_TIME_MILLISECONDS = 3600 * 1000;
+constexpr int64_t DELAY_DLCLOSE_TIME_MILLISECONDS = 180 * 1000;
 
 using CreateFunc = void* (*)(void);
 using DestroyFunc = void (*)(void*);
@@ -135,6 +135,13 @@ void RdbDlopenManager::DelayDlcloseHandle(int64_t delayTime)
             return;
         }
 
+        if (taskNum_ > 0) {
+            LOGI(ATM_DOMAIN, ATM_TAG, "There is still %{public}d database call remain, wait for next task.",
+                taskNum_.load());
+            return;
+        }
+        LOGI(ATM_DOMAIN, ATM_TAG, "There is no database call remain, clean up resource.");
+
         if (!CleanUp()) {
             return;
         }
@@ -179,7 +186,10 @@ int32_t RdbDlopenManager::Modify(const AtmDataType type, const GenericValues& mo
         return AccessTokenError::ERR_LOAD_SO_FAILED;
     }
 
-    return instance->Modify(type, modifyValue, conditionValue);
+    taskNum_++;
+    int32_t res = instance->Modify(type, modifyValue, conditionValue);
+    taskNum_--;
+    return res;
 }
 
 int32_t RdbDlopenManager::Find(AtmDataType type, const GenericValues& conditionValue,
@@ -190,7 +200,10 @@ int32_t RdbDlopenManager::Find(AtmDataType type, const GenericValues& conditionV
         return AccessTokenError::ERR_LOAD_SO_FAILED;
     }
 
-    return instance->Find(type, conditionValue, results);
+    taskNum_++;
+    int32_t res = instance->Find(type, conditionValue, results);
+    taskNum_--;
+    return res;
 }
 
 int32_t RdbDlopenManager::DeleteAndInsertValues(const std::vector<DelInfo>& delInfoVec,
@@ -201,7 +214,10 @@ int32_t RdbDlopenManager::DeleteAndInsertValues(const std::vector<DelInfo>& delI
         return AccessTokenError::ERR_LOAD_SO_FAILED;
     }
 
-    return instance->DeleteAndInsertValues(delInfoVec, addInfoVec);
+    taskNum_++;
+    int32_t res = instance->DeleteAndInsertValues(delInfoVec, addInfoVec);
+    taskNum_--;
+    return res;
 }
 } // namespace AccessToken
 } // namespace Security
diff --git a/services/accesstokenmanager/test/database_dlopen/database_dlopen_coverage_test.cpp b/services/accesstokenmanager/test/database_dlopen/database_dlopen_coverage_test.cpp
index 074a368138c97b9cd276361c73a02c46929abd92..24fafb20078371e036bb7def7f0610a18610fa0a 100644
--- a/services/accesstokenmanager/test/database_dlopen/database_dlopen_coverage_test.cpp
+++ b/services/accesstokenmanager/test/database_dlopen/database_dlopen_coverage_test.cpp
@@ -47,7 +47,10 @@ void AccessTokenDatabaseDlopenTest::TearDownTestCase() {}
 
 void AccessTokenDatabaseDlopenTest::SetUp() {}
 
-void AccessTokenDatabaseDlopenTest::TearDown() {}
+void AccessTokenDatabaseDlopenTest::TearDown()
+{
+    RdbDlopenManager::DestroyInstance();
+}
 
 /*
  * @tc.name: GetEventHandler001
@@ -66,8 +69,6 @@ HWTEST_F(AccessTokenDatabaseDlopenTest, GetEventHandler001, TestSize.Level4)
     ASSERT_NE(nullptr, instance->eventRunner_);
     ASSERT_NE(nullptr, instance->eventHandler_);
     instance->GetEventHandler();
-
-    RdbDlopenManager::DestroyInstance();
 }
 
 /*
@@ -87,7 +88,7 @@ HWTEST_F(AccessTokenDatabaseDlopenTest, Create001, TestSize.Level4)
     void* handle = nullptr;
     instance->Create(handle);
 
-    handle = dlopen("libaccesstoken_manager_service.z.so", RTLD_LAZY);
+    handle = dlopen("libaccesstoken_sdk.z.so", RTLD_LAZY);
     ASSERT_NE(nullptr, handle);
     instance->Create(handle);
     ASSERT_EQ(nullptr, instance->instance_);
@@ -100,8 +101,6 @@ HWTEST_F(AccessTokenDatabaseDlopenTest, Create001, TestSize.Level4)
     ASSERT_NE(nullptr, instance->instance_);
     dlclose(handle);
     handle = nullptr;
-
-    RdbDlopenManager::DestroyInstance();
 }
 
 /*
@@ -120,7 +119,7 @@ HWTEST_F(AccessTokenDatabaseDlopenTest, Destroy001, TestSize.Level4)
     void* handle = nullptr;
     instance->Destroy(handle);
 
-    handle = dlopen("libaccesstoken_manager_service.z.so", RTLD_LAZY);
+    handle = dlopen("libaccesstoken_sdk.z.so", RTLD_LAZY);
     ASSERT_NE(nullptr, handle);
     instance->Destroy(handle);
     ASSERT_EQ(nullptr, instance->instance_);
@@ -137,8 +136,6 @@ HWTEST_F(AccessTokenDatabaseDlopenTest, Destroy001, TestSize.Level4)
 
     dlclose(handle);
     handle = nullptr;
-
-    RdbDlopenManager::DestroyInstance();
 }
 
 /*
@@ -156,7 +153,7 @@ HWTEST_F(AccessTokenDatabaseDlopenTest, DelayDlcloseHandle001, TestSize.Level4)
 
     instance->DelayDlcloseHandle(0); // handle_ is nullptr
 
-    instance->handle_ = dlopen("libaccesstoken_manager_service.z.so", RTLD_LAZY);
+    instance->handle_ = dlopen("libaccesstoken_sdk.z.so", RTLD_LAZY);
     ASSERT_NE(nullptr, instance->handle_);
     instance->DelayDlcloseHandle(0); // handle_ is not nullptr, instance_ is nullptr
     sleep(WAIT_EVENTHANDLE_TIME);
@@ -170,8 +167,36 @@ HWTEST_F(AccessTokenDatabaseDlopenTest, DelayDlcloseHandle001, TestSize.Level4)
     sleep(WAIT_EVENTHANDLE_TIME);
     ASSERT_EQ(nullptr, instance->instance_);
     ASSERT_EQ(nullptr, instance->handle_);
+}
 
-    RdbDlopenManager::DestroyInstance();
+/*
+ * @tc.name: DelayDlcloseHandle002
+ * @tc.desc: RdbDlopenManager::DelayDlcloseHandle
+ * @tc.type: FUNC
+ * @tc.require:
+ */
+HWTEST_F(AccessTokenDatabaseDlopenTest, DelayDlcloseHandle002, TestSize.Level4)
+{
+    auto instance = RdbDlopenManager::GetInstance();
+    ASSERT_NE(nullptr, instance);
+    ASSERT_EQ(nullptr, instance->handle_);
+    ASSERT_EQ(nullptr, instance->instance_);
+    ASSERT_EQ(0, instance->taskNum_);
+    instance->DelayDlcloseHandle(0); // handle_ is nullptr
+    instance->handle_ = dlopen(RDB_ADAPTER_LIBPATH, RTLD_LAZY);
+    ASSERT_NE(nullptr, instance->handle_);
+    instance->Create(instance->handle_);
+    ASSERT_NE(nullptr, instance->instance_);
+    instance->taskNum_++;
+    instance->DelayDlcloseHandle(0); // handle_ and instance_ both not nullptr
+    sleep(WAIT_EVENTHANDLE_TIME);
+    ASSERT_NE(nullptr, instance->instance_);
+    ASSERT_NE(nullptr, instance->handle_);
+    instance->taskNum_--;
+    instance->DelayDlcloseHandle(0); // handle_ and instance_ both not nullptr
+    sleep(WAIT_EVENTHANDLE_TIME);
+    ASSERT_EQ(nullptr, instance->instance_);
+    ASSERT_EQ(nullptr, instance->handle_);
 }
 
 /*
@@ -194,8 +219,6 @@ HWTEST_F(AccessTokenDatabaseDlopenTest, GetDbInstance001, TestSize.Level4)
     sleep(WAIT_DELAY_DLCLOSE_TIME);
     ASSERT_EQ(nullptr, instance->handle_);
     ASSERT_EQ(nullptr, instance->instance_);
-
-    RdbDlopenManager::DestroyInstance();
 }
 
 /*
@@ -252,8 +275,6 @@ HWTEST_F(AccessTokenDatabaseDlopenTest, DynamicCallTest001, TestSize.Level4)
     std::vector<GenericValues> results3;
     ASSERT_EQ(0, instance->Find(type, conditionValue, results3));
     ASSERT_EQ(true, results3.empty());
-
-    RdbDlopenManager::DestroyInstance();
 }
 } // namespace AccessToken
 } // namespace Security