diff --git a/services/distributeddataservice/adapter/communicator/test/unittest/device_manager_adapter_test.cpp b/services/distributeddataservice/adapter/communicator/test/unittest/device_manager_adapter_test.cpp
index f08d3153b29341fecb6934cd3cd029a1e53cc6bb..37c7db8edeb9b9e38dfe85e6dbeea67763e9e7d0 100644
--- a/services/distributeddataservice/adapter/communicator/test/unittest/device_manager_adapter_test.cpp
+++ b/services/distributeddataservice/adapter/communicator/test/unittest/device_manager_adapter_test.cpp
@@ -86,6 +86,24 @@ const std::string DeviceManagerAdapterTest::EMPTY_DEVICE_ID = "";
 const uint32_t DeviceManagerAdapterTest::LOCAL_DEVICE_ID_NUM = 3;
 const uint32_t DeviceManagerAdapterTest::LOCAL_UUID_NUM = 2;
 
+class MockDeviceManagerDelegate : public DeviceManagerDelegate {
+public:
+    static MockDeviceManagerDelegate &GetInstance();
+    DeviceInfo GetLocalDevice() override;
+    static constexpr const char* LOCAL_DEVICE = "ABCDEF0123456789";
+};
+
+MockDeviceManagerDelegate MockDeviceManagerDelegate::GetInstance()
+{
+    static DeviceManagerAdapter dmAdapter;
+    return dmAdapter;
+}
+
+DeviceInfo MockDeviceManagerDelegate::GetLocalDevice()
+{
+    return { .uuid = LOCAL_DEVICE, .networkId = LOCAL_DEVICE };
+}
+
 /**
 * @tc.name: StartWatchDeviceChange
 * @tc.desc: start watch device change
@@ -633,7 +651,7 @@ HWTEST_F(DeviceManagerAdapterTest, RegisterDelegateInstance, TestSize.Level0)
 {
     DeviceManagerDelegate::RegisterInstance(&DeviceManagerAdapter::GetInstance());
     // Repeated registration
-    DeviceManagerDelegate::RegisterInstance(&DeviceManagerAdapter::GetInstance());
-    EXPECT_NE(nullptr, DeviceManagerDelegate::GetInstance());
+    DeviceManagerDelegate::RegisterInstance(&MockDeviceManagerDelegate::GetInstance());
+    EXPECT_EQ(DeviceManagerDelegate.GetInstance(), DeviceManagerDelegate::GetInstance());
 }
 } // namespace
\ No newline at end of file
diff --git a/services/distributeddataservice/framework/directory/directory_manager.cpp b/services/distributeddataservice/framework/directory/directory_manager.cpp
index 805ed1b95868d162530737c9af2f17269cf5c015..f5ef0d0dd7b2d4c0bfb80ac9bf4764bc271c3def 100644
--- a/services/distributeddataservice/framework/directory/directory_manager.cpp
+++ b/services/distributeddataservice/framework/directory/directory_manager.cpp
@@ -128,7 +128,13 @@ void DirectoryManager::Initialize(const std::vector<Strategy> &strategies, const
     std::sort(strategies_.begin(), strategies_.end(),
         [](const StrategyImpl &curr, const StrategyImpl &prev) { return curr.version > prev.version; });
 
-    storeTypes_ = storeTypes;
+    storeTypes_.reserve(storeTypes.size());
+    for (const auto &storeType : storeTypes) {
+        if (storeType.range().empty()) {
+            continue;
+        }
+        storeTypes_.push_back(storeType);
+    }
 }
 
 std::string DirectoryManager::GetType(const StoreMetaData &metaData) const
diff --git a/services/distributeddataservice/service/test/directory_manager_test.cpp b/services/distributeddataservice/service/test/directory_manager_test.cpp
index 85e3db8e1efda0db6e3cf20f176fb8f9f61a6944..f11598434530f369c8382fa0e66cb53ce2ea6daa 100644
--- a/services/distributeddataservice/service/test/directory_manager_test.cpp
+++ b/services/distributeddataservice/service/test/directory_manager_test.cpp
@@ -313,4 +313,39 @@ HWTEST_F(DirectoryManagerTest, GetStoreTypePath, TestSize.Level0)
     metaData.dataDir = "/data/app/el1/100/database/ohos.test.demo/other";
     path = DirectoryManager::GetInstance().GetStorePath(metaData);
     EXPECT_EQ(path, metaData.dataDir);
+}
+
+/**
+* @tc.name: InitializeTest
+* @tc.desc: test initialize DirectoryManager
+* @tc.type: FUNC
+*/
+HWTEST_F(DirectoryManagerTest, InitializeTest, TestSize.Level0)
+{
+    // Initialize storeTypes_
+    std::vector<DirectoryManager::Strategy> strategies;
+    DirectoryManager::StoreType normalStoreType = {
+        .range = {0, 9},
+        .type = "kvdb"
+    };
+    DirectoryManager::StoreType invalidStoreType = {
+        .type = "kvdb"
+    };
+    std::vector<DirectoryManager::StoreType> storeTypes = {normalStoreType, invalidStoreType};
+    DirectoryManager::GetInstance().Initialize(strategies, storeTypes);
+
+    StoreMetaData metaData;
+    metaData.user = "100";
+    metaData.bundleName = "ohos.test.demo";
+    metaData.area = 1;
+    metaData.tokenId = AccessTokenKit::GetHapTokenID(100, "ohos.test.demo", 0);
+    metaData.appId = "ohos.test.demo_09AEF01D";
+    metaData.storeType = StoreMetaData::StoreType::STORE_BUTT;
+    metaData.dataDir = "/data/app/el1/100/database/ohos.test.demo/other";
+    // Traverse storeTypes_ without exception
+    path = DirectoryManager::GetInstance().GetStorePath(metaData);
+    EXPECT_EQ(path, metaData.dataDir);
+
+    // Restore normal data
+    Bootstrap::GetInstance().LoadDirectory();
 }
\ No newline at end of file