diff --git a/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/common/include/doc_common.h b/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/common/include/doc_common.h
index 51ecd6f47ccc9c7d71da9f50cb796693a717014f..a0ebfaee4eedf370bc1e0542abcc15279c08e6ab 100644
--- a/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/common/include/doc_common.h
+++ b/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/common/include/doc_common.h
@@ -28,7 +28,7 @@ public:
     CheckCommon() = default;
     ~CheckCommon() = default;
 
-    static bool CheckCollectionName(const std::string &collectionName, std::string &lowerCaseName);
+    static bool CheckCollectionName(const std::string &collectionName, std::string &lowerCaseName, int &errCode);
     static bool CheckFilter(const std::string &filter);
     static bool CheckIdFormat(const std::string &data);
     static bool CheckDocument(const std::string &document);
diff --git a/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/common/src/collection_option.cpp b/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/common/src/collection_option.cpp
index 2540653e4a60be6f557c206dc8c3fca1d9453721..fcb3da1e104a498199062579447580dea2c2ae56 100644
--- a/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/common/src/collection_option.cpp
+++ b/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/common/src/collection_option.cpp
@@ -84,7 +84,7 @@ CollectionOption CollectionOption::ReadOption(const std::string &optStr, int &er
         return {};
     }
 
-    if (maxDocValue.GetIntValue() <= 0 || maxDocValue.GetIntValue() > UINT32_MAX) {
+    if (maxDocValue.GetIntValue() <= 0 || static_cast<uint64_t>(maxDocValue.GetIntValue()) > UINT32_MAX) {
         GLOGE("Check collection option failed, invalid maxDoc value.");
         errCode = -E_INVALID_CONFIG_VALUE;
         return {};
diff --git a/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/common/src/db_config.cpp b/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/common/src/db_config.cpp
index f824ddcf9cd1caddbcc07beac9e387d0cb507275..b60de5b19c912b46c8e0e1c58ef4737f8345cb8a 100644
--- a/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/common/src/db_config.cpp
+++ b/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/common/src/db_config.cpp
@@ -111,7 +111,7 @@ bool CheckRedoBufSizeConfig(const JsonObject &config, uint32_t &redoBufSize, int
         return false;
     }
 
-    if (configValue.GetIntValue() < MIN_REDO_BUFFER_SIZE && configValue.GetIntValue() > MAX_REDO_BUFFER_SIZE) {
+    if (configValue.GetIntValue() < MIN_REDO_BUFFER_SIZE || configValue.GetIntValue() > MAX_REDO_BUFFER_SIZE) {
         GLOGE("Check DB config failed, invalid redoPubBufSize value.");
         errCode = -E_INVALID_CONFIG_VALUE;
         return false;
@@ -160,7 +160,7 @@ bool CheckBufferPoolSizeConfig(const JsonObject &config, int32_t pageSize, uint3
         return false;
     }
 
-    if (configValue.GetIntValue() < MIN_BUFFER_POOL_SIZE && configValue.GetIntValue() > MAX_BUFFER_POOL_SIZE ||
+    if (configValue.GetIntValue() < MIN_BUFFER_POOL_SIZE || configValue.GetIntValue() > MAX_BUFFER_POOL_SIZE ||
         configValue.GetIntValue() < pageSize * 33) {
         GLOGE("Check DB config failed, invalid bufferPoolSize value.");
         errCode = -E_INVALID_CONFIG_VALUE;
diff --git a/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/common/src/doc_common.cpp b/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/common/src/doc_common.cpp
index ad8382adb69d9216065657242435ef0659d714c6..a3dc9d963f69671df8d8fdc44e5a15b26c16ebcd 100644
--- a/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/common/src/doc_common.cpp
+++ b/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/common/src/doc_common.cpp
@@ -45,16 +45,19 @@ bool CheckCollectionNamePrefix(const std::string &name, const std::string &prefi
 }
 }
 
-bool CheckCommon::CheckCollectionName(const std::string &collectionName, std::string &lowerCaseName)
+bool CheckCommon::CheckCollectionName(const std::string &collectionName, std::string &lowerCaseName, int &errCode)
 {
     if (collectionName.empty()) {
+        errCode = -E_INVALID_ARGS;
         return false;
     }
     if (collectionName.length() + 1 > MAX_COLLECTION_NAME) {
+        errCode = -E_OVER_LIMIT;
         return false;
     }
     if (CheckCollectionNamePrefix(collectionName, COLLECTION_PREFIX_GRD) ||
         CheckCollectionNamePrefix(collectionName, COLLECTION_PREFIX_GM_SYS)) {
+        errCode = -E_INVALID_COLL_NAME_FORMAT;
         return false;
     }
 
diff --git a/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/interface/include/doc_errno.h b/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/interface/include/doc_errno.h
index b7448fe5353f5a844a4ce810e64de4b00381feb4..6c80c6936da3636e0126063426aa8debea05bf28 100644
--- a/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/interface/include/doc_errno.h
+++ b/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/interface/include/doc_errno.h
@@ -33,6 +33,7 @@ constexpr int E_COLLECTION_CONFLICT = E_BASE + 15;
 constexpr int E_NO_DATA = E_BASE + 16;
 constexpr int E_NOT_PERMIT = E_BASE + 17;
 constexpr int E_DATA_CONFLICT = E_BASE + 18;
+constexpr int E_INVALID_COLL_NAME_FORMAT = E_BASE + 18;
 constexpr int E_INVALID_JSON_FORMAT = E_BASE + 40;
 constexpr int E_JSON_PATH_NOT_EXISTS = E_BASE + 41;
 
diff --git a/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/interface/src/doc_errno.cpp b/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/interface/src/doc_errno.cpp
index a6913454e1f04b73aeaf88d7e133b783dd9532d5..9cedce6ac0faa3c89e7949a3fb89f720e125aef3 100644
--- a/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/interface/src/doc_errno.cpp
+++ b/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/interface/src/doc_errno.cpp
@@ -55,6 +55,9 @@ int TrasnferDocErr(int err)
         case -E_NO_DATA:
             outErr = GRD_NO_DATA;
             break;
+        case -E_INVALID_COLL_NAME_FORMAT:
+            outErr = GRD_INVALID_COLLECTION_NAME;
+            break;
         default:
             outErr = GRD_INNER_ERR;
             break;
diff --git a/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/interface/src/document_store.cpp b/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/interface/src/document_store.cpp
index 1e3558c510f2f55e60e6307a4addc2adbc17c1ab..f354a632baa0df92c58660299a1bff6c3b0d1109 100644
--- a/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/interface/src/document_store.cpp
+++ b/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/interface/src/document_store.cpp
@@ -34,12 +34,13 @@ DocumentStore::~DocumentStore()
 int DocumentStore::CreateCollection(const std::string &name, const std::string &option, int flags)
 {
     std::string lowerCaseName;
-    if (!CheckCommon::CheckCollectionName(name, lowerCaseName)) {
-        GLOGE("Check collection name invalid.");
-        return -E_INVALID_ARGS;
+    int errCode = E_OK;
+    if (!CheckCommon::CheckCollectionName(name, lowerCaseName, errCode)) {
+        GLOGE("Check collection name invalid. %d", errCode);
+        return errCode;
     }
 
-    int errCode = E_OK;
+    errCode = E_OK;
     CollectionOption collOption = CollectionOption::ReadOption(option, errCode);
     if (errCode != E_OK) {
         GLOGE("Read collection option str failed. %d", errCode);
@@ -52,7 +53,7 @@ int DocumentStore::CreateCollection(const std::string &name, const std::string &
     }
 
     std::lock_guard<std::mutex> lock(dbMutex_);
-    bool ignoreExists = (flags == CHK_EXIST_COLLECTION);
+    bool ignoreExists = (flags != CHK_EXIST_COLLECTION);
     errCode = executor_->CreateCollection(lowerCaseName, ignoreExists);
     if (errCode != E_OK) {
         GLOGE("Create collection failed. %d", errCode);
@@ -77,9 +78,10 @@ int DocumentStore::CreateCollection(const std::string &name, const std::string &
 int DocumentStore::DropCollection(const std::string &name, int flags)
 {
     std::string lowerCaseName;
-    if (!CheckCommon::CheckCollectionName(name, lowerCaseName)) {
-        GLOGE("Check collection name invalid.");
-        return -E_INVALID_ARGS;
+    int errCode = E_OK;
+    if (!CheckCommon::CheckCollectionName(name, lowerCaseName, errCode)) {
+        GLOGE("Check collection name invalid. %d", errCode);
+        return errCode;
     }
 
     if (flags != 0 && flags != CHK_NON_EXIST_COLLECTION) {
@@ -88,7 +90,7 @@ int DocumentStore::DropCollection(const std::string &name, int flags)
     }
 
     bool ignoreNonExists = (flags == CHK_NON_EXIST_COLLECTION);
-    int errCode = executor_->DropCollection(lowerCaseName, ignoreNonExists);
+    errCode = executor_->DropCollection(lowerCaseName, ignoreNonExists);
     if (errCode != E_OK) {
         GLOGE("Drop collection failed. %d", errCode);
         return errCode;
@@ -113,9 +115,10 @@ int DocumentStore::UpsertDocument(const std::string &collection, const std::stri
     int flags)
 {
     std::string lowerCaseCollName;
-    if (!CheckCommon::CheckCollectionName(collection, lowerCaseCollName)) {
-        GLOGE("Check collection name invalid.");
-        return -E_INVALID_ARGS;
+    int errCode = E_OK;
+    if (!CheckCommon::CheckCollectionName(collection, lowerCaseCollName, errCode)) {
+        GLOGE("Check collection name invalid. %d", errCode);
+        return errCode;
     }
 
     // TODO:: check filter
diff --git a/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/interface/src/document_store_manager.cpp b/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/interface/src/document_store_manager.cpp
index 2be63060a095847a8725c6abefdff15f8c70c11e..85a73cafb7c5ef43f86d281a24929f2f320ff3cf 100644
--- a/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/interface/src/document_store_manager.cpp
+++ b/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/interface/src/document_store_manager.cpp
@@ -34,6 +34,14 @@ bool CheckDBCloseFlag(unsigned int flag)
 {
     return (flag == GRD_DB_CLOSE) || (flag == GRD_DB_CLOSE_IGNORE_ERROR);
 }
+
+bool CheckDBCreate(unsigned int flags, const std::string &path)
+{
+    if ((flags & GRD_DB_OPEN_CREATE) == 0 && !OSAPI::CheckPathExistence(path)) {
+        return false;
+    }
+    return true;
+}
 }
 
 int DocumentStoreManager::GetDocumentStore(const std::string &path, const std::string &config, unsigned int flags,
@@ -58,6 +66,11 @@ int DocumentStoreManager::GetDocumentStore(const std::string &path, const std::s
         return -E_INVALID_ARGS;
     }
 
+    if (!CheckDBCreate(flags, path)) {
+        GLOGE("Open db failed, file no exists.");
+        return -E_INVALID_ARGS;
+    }
+
     KvStoreExecutor *executor = nullptr;
     errCode = KvStoreManager::GetKvStore(canonicalPath + "/" + dbName, dbConfig, executor);
     if (errCode != E_OK) {
diff --git a/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/oh_adapter/include/json_object.h b/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/oh_adapter/include/json_object.h
index 0766ed3061aca38463b49dfbf881308b41c9f465..b2e83a930943673fa6915ade08ec839de22233be 100644
--- a/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/oh_adapter/include/json_object.h
+++ b/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/oh_adapter/include/json_object.h
@@ -41,7 +41,7 @@ public:
 
     ValueType GetValueType() const;
     bool GetBoolValue() const;
-    int GetIntValue() const;
+    int64_t GetIntValue() const;
     double GetDoubleValue() const;
     std::string GetStringValue() const;
 
diff --git a/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/oh_adapter/src/json_object.cpp b/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/oh_adapter/src/json_object.cpp
index c9def30239a05dae9a2b704dbc11180ab04637ba..661dfeeb336a927c683b439e0066ce50f1b0d245 100644
--- a/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/oh_adapter/src/json_object.cpp
+++ b/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/src/oh_adapter/src/json_object.cpp
@@ -68,9 +68,9 @@ bool ValueObject::GetBoolValue() const
     return boolValue;
 }
 
-int ValueObject::GetIntValue() const
+int64_t ValueObject::GetIntValue() const
 {
-    return static_cast<int>(doubleValue + 0.5);
+    return static_cast<int64_t>(doubleValue + 0.5);
 }
 
 double ValueObject::GetDoubleValue() const
diff --git a/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/test/unittest/api/documentdb_api_test.cpp b/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/test/unittest/api/documentdb_api_test.cpp
index 83ad456822ce91959001107a1faa2e1acc1590f6..382fe5ef71dd3a0cd036b1b37e1141412748e7f2 100644
--- a/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/test/unittest/api/documentdb_api_test.cpp
+++ b/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/test/unittest/api/documentdb_api_test.cpp
@@ -487,7 +487,10 @@ HWTEST_F(DocumentDBApiTest, OpenDBFlagTest002, TestSize.Level0)
 {
     GRD_DB *db = nullptr;
     std::string path= "./document.db";
-    int status = GRD_DBOpen(path.c_str(), "", GRD_DB_OPEN_CREATE, &db);
+    int status = GRD_DBOpen(path.c_str(), "", GRD_DB_OPEN_ONLY, &db);
+    EXPECT_EQ(status, GRD_INVALID_ARGS);
+
+    status = GRD_DBOpen(path.c_str(), "", GRD_DB_OPEN_CREATE, &db);
     EXPECT_EQ(status, GRD_OK);
 
     status = GRD_DBClose(db, GRD_DB_CLOSE);
diff --git a/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/test/unittest/api/documentdb_collection_test.cpp b/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/test/unittest/api/documentdb_collection_test.cpp
index 9172399440e46690d50065d583bcfa51cfeab4db..5614bb41518ce7c9093cc6ae9f04696f4d963769 100644
--- a/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/test/unittest/api/documentdb_collection_test.cpp
+++ b/services/distributeddataservice/service/data_share/gaussdb_rd_Simple/test/unittest/api/documentdb_collection_test.cpp
@@ -101,8 +101,8 @@ HWTEST_F(DocumentDBCollectionTest, CollectionTest002, TestSize.Level0)
 
     for (auto *it : invalidName) {
         GLOGD("CollectionTest002: create collection with name: %s", it);
-        EXPECT_EQ(GRD_CreateCollection(g_db, it, "", 0), GRD_INVALID_ARGS);
-        EXPECT_EQ(GRD_DropCollection(g_db, it, 0), GRD_INVALID_ARGS);
+        EXPECT_EQ(GRD_CreateCollection(g_db, it, "", 0), GRD_INVALID_FORMAT);
+        EXPECT_EQ(GRD_DropCollection(g_db, it, 0), GRD_INVALID_FORMAT);
     }
 }
 
@@ -143,8 +143,8 @@ HWTEST_F(DocumentDBCollectionTest, CollectionTest003, TestSize.Level0)
 HWTEST_F(DocumentDBCollectionTest, CollectionTest004, TestSize.Level0)
 {
     EXPECT_EQ(GRD_CreateCollection(g_db, "student", "", 0), GRD_OK);
-    EXPECT_EQ(GRD_CreateCollection(g_db, "student", "", 0), GRD_DATA_CONFLICT);
-    EXPECT_EQ(GRD_CreateCollection(g_db, "student", "", CHK_EXIST_COLLECTION), GRD_OK);
+    EXPECT_EQ(GRD_CreateCollection(g_db, "student", "", 0), GRD_OK);
+    EXPECT_EQ(GRD_CreateCollection(g_db, "Student", "", CHK_EXIST_COLLECTION), GRD_DATA_CONFLICT);
 }
 
 /**
@@ -183,7 +183,7 @@ HWTEST_F(DocumentDBCollectionTest, CollectionTest006, TestSize.Level0)
 {
     EXPECT_EQ(GRD_CreateCollection(g_db, "student", R""({"maxDoc":1024})"", 0), GRD_OK);
 
-    EXPECT_EQ(GRD_CreateCollection(g_db, "student", R""({"maxDoc":2048})"", CHK_EXIST_COLLECTION), GRD_INVALID_ARGS);
+    EXPECT_EQ(GRD_CreateCollection(g_db, "student", R""({"maxDoc":2048})"", 0), GRD_INVALID_ARGS);
 
     EXPECT_EQ(GRD_DropCollection(g_db, "student", 0), GRD_OK);
     EXPECT_EQ(GRD_DropCollection(g_db, "student", 0), GRD_NO_DATA);