diff --git a/services/distributeddataservice/service/data_share/gaussdb_rd/test/unittest/api/documentdb_api_test.cpp b/services/distributeddataservice/service/data_share/gaussdb_rd/test/unittest/api/documentdb_api_test.cpp
index 81d9ff2569ff4c9cf8af98d260783e82fc5f78ba..22fe15ee3f23535c491903a80feb6f1f0f54d0c4 100644
--- a/services/distributeddataservice/service/data_share/gaussdb_rd/test/unittest/api/documentdb_api_test.cpp
+++ b/services/distributeddataservice/service/data_share/gaussdb_rd/test/unittest/api/documentdb_api_test.cpp
@@ -65,7 +65,7 @@ HWTEST_F(DocumentDBApiTest, OpenDBTest001, TestSize.Level0)
 
     EXPECT_EQ(GRD_CreateCollection(db, "student", "", 0), GRD_OK);
 
-    EXPECT_EQ(GRD_UpsertDoc(db, "student", R""({"_id":"10001"})"", R""({"name":"Tom","age":23})"", 0), 1);
+    EXPECT_EQ(GRD_UpsertDoc(db, "student", R""({"_id":"10001"})"", R""({"name":"Tom", "age":23})"", 0), 1);
 
     EXPECT_EQ(GRD_DropCollection(db, "student", 0), GRD_OK);
 
@@ -190,7 +190,7 @@ HWTEST_F(DocumentDBApiTest, OpenDBConfigTest001, TestSize.Level0)
 {
     GRD_DB *db = nullptr;
     std::string path = "./document.db";
-    constexpr int MAX_JSON_LEN = 512 * 1024;
+    const int MAX_JSON_LEN = 512 * 1024;
     std::string configStr = std::string(MAX_JSON_LEN, 'a');
     int status = GRD_DBOpen(path.c_str(), configStr.c_str(), GRD_DB_OPEN_CREATE, &db);
     EXPECT_EQ(status, GRD_OVER_LIMIT);
@@ -245,7 +245,7 @@ HWTEST_F(DocumentDBApiTest, OpenDBConfigMaxConnNumTest001, TestSize.Level0)
         R""({"maxConnNum":1000000007})"",
         R""({"maxConnNum":"16"})"",
         R""({"maxConnNum":{"value":17}})"",
-        R""({"maxConnNum":[16,17,18]})"",
+        R""({"maxConnNum":[16, 17, 18]})"",
     };
     for (const auto &config : configList) {
         GLOGD("OpenDBConfigMaxConnNumTest001: test with config:%s", config.c_str());
@@ -363,7 +363,7 @@ HWTEST_F(DocumentDBApiTest, OpenDBConfigPageSizeTest001, TestSize.Level0)
         R""({"pageSize":1000000007})"",
         R""({"pageSize":"4"})"",
         R""({"pageSize":{"value":8}})"",
-        R""({"pageSize":[16,32,64]})"",
+        R""({"pageSize":[16, 32, 64]})"",
     };
     for (const auto &config : configList) {
         GLOGD("OpenDBConfigPageSizeTest001: test with config:%s", config.c_str());
@@ -500,11 +500,11 @@ HWTEST_F(DocumentDBApiTest, OpenDBConfigBufferPoolTest001, TestSize.Level0)
     GRD_DB *db = nullptr;
     std::string path = "./document.db";
 
-    int status = GRD_DBOpen(path.c_str(), R""({"pageSize":64,"bufferPoolSize":4096})"", GRD_DB_OPEN_CREATE, &db);
+    int status = GRD_DBOpen(path.c_str(), R""({"pageSize":64, "bufferPoolSize":4096})"", GRD_DB_OPEN_CREATE, &db);
     EXPECT_EQ(status, GRD_OK);
     EXPECT_EQ(GRD_DBClose(db, 0), GRD_OK);
 
-    status = GRD_DBOpen(path.c_str(), R""({"pageSize":64,"bufferPoolSize":4095})"", GRD_DB_OPEN_CREATE, &db);
+    status = GRD_DBOpen(path.c_str(), R""({"pageSize":64, "bufferPoolSize":4095})"", GRD_DB_OPEN_CREATE, &db);
     EXPECT_EQ(status, GRD_INVALID_ARGS);
 
     status = GRD_DBOpen(path.c_str(), R""({"bufferPoolSize":1023})"", GRD_DB_OPEN_CREATE, &db);
@@ -526,11 +526,11 @@ HWTEST_F(DocumentDBApiTest, OpenDBConfigPubBuffTest001, TestSize.Level0)
     GRD_DB *db = nullptr;
     std::string path = "./document.db";
 
-    int status = GRD_DBOpen(path.c_str(), R""({"pageSize":64,"redopubbufsize":4033})"", GRD_DB_OPEN_CREATE, &db);
+    int status = GRD_DBOpen(path.c_str(), R""({"pageSize":64, "redopubbufsize":4033})"", GRD_DB_OPEN_CREATE, &db);
     EXPECT_EQ(status, GRD_OK);
     EXPECT_EQ(GRD_DBClose(db, 0), GRD_OK);
 
-    status = GRD_DBOpen(path.c_str(), R""({"pageSize":64,"redopubbufsize":4032})"", GRD_DB_OPEN_CREATE, &db);
+    status = GRD_DBOpen(path.c_str(), R""({"pageSize":64, "redopubbufsize":4032})"", GRD_DB_OPEN_CREATE, &db);
     EXPECT_EQ(status, GRD_INVALID_ARGS);
 
     status = GRD_DBOpen(path.c_str(), R""({"redopubbufsize":255})"", GRD_DB_OPEN_CREATE, &db);
diff --git a/services/distributeddataservice/service/data_share/gaussdb_rd/test/unittest/api/documentdb_collection_test.cpp b/services/distributeddataservice/service/data_share/gaussdb_rd/test/unittest/api/documentdb_collection_test.cpp
index 92aedcd5d871f89d2a1bf0154a0c95ba5c118a21..04431be400ba2e7d2c2ad9a79cc68edcf37f4695 100644
--- a/services/distributeddataservice/service/data_share/gaussdb_rd/test/unittest/api/documentdb_collection_test.cpp
+++ b/services/distributeddataservice/service/data_share/gaussdb_rd/test/unittest/api/documentdb_collection_test.cpp
@@ -157,7 +157,7 @@ HWTEST_F(DocumentDBCollectionTest, CollectionTest005, TestSize.Level0)
         R""({"maxDoc":0})"",
         R""({"maxDoc":"123"})"",
         R""({"maxDoc":{"value":1024}})"",
-        R""({"maxDoc":[1,2,4,8]})"",
+        R""({"maxDoc":[1, 2, 4, 8]})"",
         R""({"minDoc":1024})"",
     };
 
diff --git a/services/distributeddataservice/service/data_share/gaussdb_rd/test/unittest/api/documentdb_data_test.cpp b/services/distributeddataservice/service/data_share/gaussdb_rd/test/unittest/api/documentdb_data_test.cpp
index d43519a713f56cc57a3bd5e70ea7683210e5a642..1ea370b55ac52d7a3030dae6a46ad713cfc50cca 100644
--- a/services/distributeddataservice/service/data_share/gaussdb_rd/test/unittest/api/documentdb_data_test.cpp
+++ b/services/distributeddataservice/service/data_share/gaussdb_rd/test/unittest/api/documentdb_data_test.cpp
@@ -149,7 +149,7 @@ HWTEST_F(DocumentDBDataTest, UpsertDataTest006, TestSize.Level0)
 HWTEST_F(DocumentDBDataTest, UpsertDataTest007, TestSize.Level0)
 {
     std::string filter = R""({"_id":"1234"})"";
-    std::string val = R""({"name":"Tmono","age":18,"addr":{"city":"shanghai","postal":200001}})"";
+    std::string val = R""({"name":"Tmono", "age":18, "addr":{"city":"shanghai", "postal":200001}})"";
     EXPECT_EQ(GRD_UpsertDoc(g_db, "collection_not_exists", filter.c_str(), val.c_str(), GRD_DOC_REPLACE),
         GRD_INVALID_ARGS);
 }
@@ -164,10 +164,10 @@ HWTEST_F(DocumentDBDataTest, UpsertDataTest007, TestSize.Level0)
 HWTEST_F(DocumentDBDataTest, UpsertDataTest008, TestSize.Level0)
 {
     std::string filter = R""({"_id":"1234"})"";
-    std::string document = R""({"name":"Tmn","age":18,"addr":{"city":"shanghai","postal":200001}})"";
+    std::string document = R""({"name":"Tmn", "age":18, "addr":{"city":"shanghai", "postal":200001}})"";
     EXPECT_EQ(GRD_UpsertDoc(g_db, g_coll, filter.c_str(), document.c_str(), GRD_DOC_REPLACE), 1);
 
-    std::string updateDoc = R""({"name":"Xue","case":2,"age":28,"addr":{"city":"shenzhen","postal":518000}})"";
+    std::string updateDoc = R""({"name":"Xue", "case":2, "age":28, "addr":{"city":"shenzhen", "postal":518000}})"";
     EXPECT_EQ(GRD_UpsertDoc(g_db, g_coll, filter.c_str(), updateDoc.c_str(), GRD_DOC_APPEND), 1);
 }
 
@@ -272,7 +272,7 @@ HWTEST_F(DocumentDBDataTest, UpdateDataTest005, TestSize.Level0) {}
 HWTEST_F(DocumentDBDataTest, UpdateDataTest006, TestSize.Level0)
 {
     std::string filter = R""({"_id":"1234"})"";
-    std::string document = R""({"name":"Tmono","age":18,"addr":{"city":"shanghai","postal":200001}})"";
+    std::string document = R""({"name":"Tmono", "age":18, "addr":{"city":"shanghai", "postal":200001}})"";
     std::vector<unsigned int> invalidFlags = { 2, 4, 8, 1024, UINT32_MAX };
     for (auto flag : invalidFlags) {
         GLOGD("UpdateDataTest006: update data with flag: %u", flag);
@@ -293,7 +293,7 @@ HWTEST_F(DocumentDBDataTest, UpdateDataTest007, TestSize.Level0)
 HWTEST_F(DocumentDBDataTest, UpdateDataTest008, TestSize.Level0)
 {
     const char *updateStr =
-        R""({"field2":{"c_field":{"cc_field":{"ccc_field":{"ccc_field":[1,false,1.234e2,["hello world!"]]}}}}})"";
+        R""({"field2":{"c_field":{"cc_field":{"ccc_field":{"ccc_field":[1, false, 1.234e2, ["hello world!"]]}}}}})"";
     int result = GRD_UpdateDoc(g_db, g_coll, "{\"field\" : 2}", updateStr, 0);
     int result2 = GRD_UpsertDoc(g_db, g_coll, "{\"field\" : 2}", updateStr, 0);
     EXPECT_EQ(result, GRD_INVALID_ARGS);
@@ -318,7 +318,8 @@ HWTEST_F(DocumentDBDataTest, UpdateDataTest009, TestSize.Level0)
     char *value = nullptr;
     EXPECT_EQ(GRD_GetValue(resultSet, &value), GRD_OK);
     string valueStr = value;
-    string repectStr = R""({"_id":"1234","field1":1,"field2":2,"FIELD1":[1,true,1.23456789,"hello world!",null]})"";
+    string repectStr = R""({"_id":"1234", "field1":1, "field2":2,
+        "FIELD1":[1, true, 1.23456789, "hello world!", null]})"";
     EXPECT_EQ((valueStr == repectStr), 1);
     EXPECT_EQ(GRD_FreeValue(value), GRD_OK);
     EXPECT_EQ(GRD_FreeResultSet(resultSet), GRD_OK);
diff --git a/services/distributeddataservice/service/data_share/gaussdb_rd/test/unittest/api/documentdb_delete_test.cpp b/services/distributeddataservice/service/data_share/gaussdb_rd/test/unittest/api/documentdb_delete_test.cpp
index 15e5dce407efa3e5d13cc30a152822e6dd8201b3..8165c73b2d17300929e07ee105f245950929671d 100644
--- a/services/distributeddataservice/service/data_share/gaussdb_rd/test/unittest/api/documentdb_delete_test.cpp
+++ b/services/distributeddataservice/service/data_share/gaussdb_rd/test/unittest/api/documentdb_delete_test.cpp
@@ -29,7 +29,7 @@ using namespace DocumentDBUnitTest;
 namespace {
 constexpr const char *COLLECTION_NAME = "student";
 constexpr const char *NULL_JSON_STR = "{}";
-constexpr int MAX_COLLECTION_LENS = 511;
+const int MAX_COLLECTION_LENS = 511;
 std::string g_path = "./document.db";
 GRD_DB *g_db = nullptr;
 
diff --git a/services/distributeddataservice/service/data_share/gaussdb_rd/test/unittest/api/documentdb_find_test.cpp b/services/distributeddataservice/service/data_share/gaussdb_rd/test/unittest/api/documentdb_find_test.cpp
index 38da55bd95e170e81bfbbfe4017bf4dfd926ab2f..50ac7575d2c1825077e018d5e6bec7f7c19679b0 100644
--- a/services/distributeddataservice/service/data_share/gaussdb_rd/test/unittest/api/documentdb_find_test.cpp
+++ b/services/distributeddataservice/service/data_share/gaussdb_rd/test/unittest/api/documentdb_find_test.cpp
@@ -49,7 +49,9 @@ static const char *g_document4 = "{\"_id\" : \"4\", \"name\":\"doc4\",\"item\":\
 static const char *g_document5 = "{\"_id\" : \"5\", \"name\":\"doc5\",\"item\":\"journal\",\"personInfo\":\
     [{\"sex\" : \"woma\", \"school\" : \"B\", \"age\" : 15}, {\"school\":\"C\", \"age\" : 35}]}";
 static const char *g_document6 = "{\"_id\" : \"6\", \"name\":\"doc6\",\"item\":false,\"personInfo\":\
-    [{\"school\":\"B\", \"teacher\" : \"mike\",\"age\" : 15}, {\"school\":\"C\", \"teacher\" : \"moon\",\"age\":20}]}";
+    [{\"school\":\"B\", \"teacher\" : \"mike\", \"age\" : 15},\
+    {\"school\":\"C\", \"teacher\" : \"moon\", \"age\" : 20}]}";
+
 static const char *g_document7 = "{\"_id\" : \"7\", \"name\":\"doc7\",\"item\":\"fruit\",\"other_Info\":\
     [{\"school\":\"BX\", \"age\" : 15}, {\"school\":\"C\", \"age\" : 35}]}";
 static const char *g_document8 = "{\"_id\" : \"8\", \"name\":\"doc8\",\"item\":true,\"personInfo\":\
@@ -1438,17 +1440,14 @@ HWTEST_F(DocumentDBFindTest, DocumentDBFindTest061, TestSize.Level1)
     char *value = nullptr;
     EXPECT_EQ(GRD_GetValue(resultSet, &value), GRD_OK);
     CompareValue(value, document061);
-    EXPECT_EQ(GRD_FreeValue(value), GRD_OK);
 
     EXPECT_EQ(GRD_Next(resultSet), GRD_OK);
     EXPECT_EQ(GRD_GetValue(resultSet, &value), GRD_OK);
     CompareValue(value, document062);
-    EXPECT_EQ(GRD_FreeValue(value), GRD_OK);
 
     EXPECT_EQ(GRD_Next(resultSet), GRD_OK);
     EXPECT_EQ(GRD_GetValue(resultSet, &value), GRD_OK);
     CompareValue(value, document063);
-    EXPECT_EQ(GRD_FreeValue(value), GRD_OK);
 
     EXPECT_EQ(GRD_Next(resultSet), GRD_OK);
     EXPECT_EQ(GRD_GetValue(resultSet, &value), GRD_OK);
diff --git a/services/distributeddataservice/service/data_share/gaussdb_rd/test/unittest/api/documentdb_insert_test.cpp b/services/distributeddataservice/service/data_share/gaussdb_rd/test/unittest/api/documentdb_insert_test.cpp
index d2739db211f7acc30b7fcd9d8986539ec4ed8eff..34d52866c2861433f80c5e2c7d5e60b9167d5818 100644
--- a/services/distributeddataservice/service/data_share/gaussdb_rd/test/unittest/api/documentdb_insert_test.cpp
+++ b/services/distributeddataservice/service/data_share/gaussdb_rd/test/unittest/api/documentdb_insert_test.cpp
@@ -15,7 +15,9 @@
 
 #include <climits>
 #include <gtest/gtest.h>
+#include <thread>
 
+#include "document_key.h"
 #include "documentdb_test_utils.h"
 #include "grd_base/grd_db_api.h"
 #include "grd_base/grd_error.h"
@@ -116,23 +118,29 @@ HWTEST_F(DocumentDBInsertTest, DocumentDBInsertTest002, TestSize.Level1)
     const char *document2 = "{\"_id\" : true, \"name\" : \"Chuan\"}";
     EXPECT_EQ(GRD_InsertDoc(g_db, RIGHT_COLLECTION_NAME, document2, 0), GRD_INVALID_ARGS);
     /**
-     * @tc.steps:step2.Insert a document whose _id is NULL
-     * @tc.expected:step2.GRD_INVALID_ARGS
+     * @tc.steps:step3.Insert a document whose _id is NULL
+     * @tc.expected:step3.GRD_INVALID_ARGS
     */
     const char *document3 = "{\"_id\" : null, \"name\" : \"Chuan\"}";
     EXPECT_EQ(GRD_InsertDoc(g_db, RIGHT_COLLECTION_NAME, document3, 0), GRD_INVALID_ARGS);
     /**
-     * @tc.steps:step2.Insert a document whose _id is ARRAY
-     * @tc.expected:step2.GRD_INVALID_ARGS
+     * @tc.steps:step4.Insert a document whose _id is ARRAY
+     * @tc.expected:step4.GRD_INVALID_ARGS
     */
     const char *document4 = "{\"_id\" : [\"2\"], \"name\" : \"Chuan\"}";
     EXPECT_EQ(GRD_InsertDoc(g_db, RIGHT_COLLECTION_NAME, document4, 0), GRD_INVALID_ARGS);
     /**
-     * @tc.steps:step2.Insert a document whose _id is OBJECT
-     * @tc.expected:step2.GRD_INVALID_ARGS
+     * @tc.steps:step5.Insert a document whose _id is OBJECT
+     * @tc.expected:step5.GRD_INVALID_ARGS
     */
     const char *document5 = "{\"_id\" : {\"val\" : \"2\"}, \"name\" : \"Chuan\"}";
     EXPECT_EQ(GRD_InsertDoc(g_db, RIGHT_COLLECTION_NAME, document5, 0), GRD_INVALID_ARGS);
+    /**
+     * @tc.steps:step6.Insert a document whose _id is double type
+     * @tc.expected:step6 .GRD_INVALID_ARGS
+    */
+    const char *document6 = "{\"_id\" : 1.99999, \"name\" : \"Chuan\"}";
+    EXPECT_EQ(GRD_InsertDoc(g_db, RIGHT_COLLECTION_NAME, document6, 0), GRD_INVALID_ARGS);
 }
 
 /**
@@ -323,21 +331,21 @@ HWTEST_F(DocumentDBInsertTest, DocumentDBInsertTest014, TestSize.Level1)
      * @tc.expected:step1.GRD_INVALID_ARGS
     */
     const char *document1 = R""({"level1" : {"level2" : {"level3" : {"level4": {"level5" : 1}},
-        "level3_2" : "level3_2_val"}},"_id":"14"})"";
+        "level3_2" : "level3_2_val"}}})"";
     EXPECT_EQ(GRD_InsertDoc(g_db, RIGHT_COLLECTION_NAME, document1, 0), GRD_INVALID_ARGS);
     /**
      * @tc.steps:step1.document's JSON depth is larger than 4, which is 5.But with array type.
      * @tc.expected:step1.GRD_INVALID_ARGS
     */
     const char *document2 = R""({"level1" : {"level2" : {"level3" : [{ "level5" : "level5_1val",
-        "level5_2":"level5_2_val"}, "level4_val1","level4_val2"], "level3_2" : "level3_2_val"}},"_id":"14"})"";
+        "level5_2":"level5_2_val"}, "level4_val1","level4_val2"], "level3_2" : "level3_2_val"}}})"";
     EXPECT_EQ(GRD_InsertDoc(g_db, RIGHT_COLLECTION_NAME, document2, 0), GRD_INVALID_ARGS);
     /**
      * @tc.steps:step1.document's JSON depth is 4
      * @tc.expected:step1.GRD_OK
     */
     const char *document3 = R""({"level1" : {"level2" : {"level3" : { "level4" : "level5_1val"},
-        "level3_2" : "level3_2_val"}},"_id":"14"})"";
+        "level3_2" : "level3_2_val"}}})"";
     EXPECT_EQ(GRD_InsertDoc(g_db, RIGHT_COLLECTION_NAME, document3, 0), GRD_OK);
 }
 
@@ -354,7 +362,7 @@ HWTEST_F(DocumentDBInsertTest, DocumentDBInsertTest015, TestSize.Level1)
      * @tc.steps:step1.document's JSON is bigger than 512k - 1
      * @tc.expected:step1.GRD_INVALID_ARGS
     */
-    string documentPart1 = "{ \"_id\" : \"15\", \"textVal\" : \" ";
+    string documentPart1 = "{\"textVal\" : \" ";
     string documentPart2 = "\" }";
     string jsonVal = string(512 * 1024 - documentPart1.size() - documentPart2.size(), 'k');
     string document = documentPart1 + jsonVal + documentPart2;
@@ -380,7 +388,7 @@ HWTEST_F(DocumentDBInsertTest, DocumentDBInsertTest016, TestSize.Level1)
      * @tc.steps:step1.document JSON string contains irregular char.
      * @tc.expected:step1.GRD_OK
     */
-    const char *document1 = "{\"_id\" : \"16\", \"name\" : \"!@#Ori\"}";
+    const char *document1 = "{\"name\" : \"!@#Ori\"}";
     EXPECT_EQ(GRD_InsertDoc(g_db, RIGHT_COLLECTION_NAME, document1, 0), GRD_OK);
 }
 
@@ -397,7 +405,7 @@ HWTEST_F(DocumentDBInsertTest, DocumentDBInsertTest017, TestSize.Level1)
      * @tc.steps:step1.document JSON string contains invalid value type such as BLOB type.
      * @tc.expected:step1.GRD_INVALID_FORMAT.
     */
-    const char *document = "{\"_id\" : \"17\", \"level1\" : {\"level2\" : {\"level3\" : {\"level4\" : x'1234'\
+    const char *document = "{\"level1\" : {\"level2\" : {\"level3\" : {\"level4\" : x'1234'\
         } } }, \"level1_2\" : \"level1_2Val\"}";
     EXPECT_EQ(GRD_InsertDoc(g_db, RIGHT_COLLECTION_NAME, document, 0), GRD_INVALID_FORMAT);
 }
@@ -429,14 +437,49 @@ HWTEST_F(DocumentDBInsertTest, DocumentDBInsertTest018, TestSize.Level1)
 HWTEST_F(DocumentDBInsertTest, DocumentDBInsertTest019, TestSize.Level1)
 {
     /**
-     * @tc.steps:step1.Insert a normal documents which _id is in the end of the string
+     * @tc.steps:step1.Insert a normal documents.
      * @tc.expected:step1.GRD_OK.
     */
-    const char *document1 = "{\"name\" : \"Jack\", \"age\" : 18, \"friend\" : {\"name\" : \" lucy\"}, \"_id\" : "
-                            "\"19\"}";
+    const char *document1 = "{\"name\" : \"Jack\", \"age\" : 18, \"friend\" : {\"name\" : \" lucy\"}}";
     EXPECT_EQ(GRD_InsertDoc(g_db, RIGHT_COLLECTION_NAME, document1, 0), GRD_OK);
 }
 
+/**
+  * @tc.name: DocumentDBInsertTest020
+  * @tc.desc: Insert a normal documents
+  * @tc.type: FUNC
+  * @tc.require:
+  * @tc.author: mazhao
+  */
+HWTEST_F(DocumentDBInsertTest, DocumentDBInsertTest020, TestSize.Level1)
+{
+    /**
+     * @tc.steps:step1.parameter document is NULL
+     * This will Insert a null document with an auto-generated _id field.
+     * @tc.expected:step1.GRD_INVALID_ARGS
+    */
+    EXPECT_EQ(GRD_InsertDoc(g_db, RIGHT_COLLECTION_NAME, nullptr, 0), GRD_INVALID_ARGS);
+}
+
+/**
+  * @tc.name: DocumentDBInsertTest021
+  * @tc.desc: Insert ten times, with nullptr parameter document
+  * This will Insert a null document with an auto-generated _id field.
+  * @tc.type: FUNC
+  * @tc.require:
+  * @tc.author: mazhao
+  */
+HWTEST_F(DocumentDBInsertTest, DocumentDBInsertTest021, TestSize.Level1)
+{
+    /**
+     * @tc.steps:step1.Insert ten times, with nullptr parameter document
+     * This will Insert a null document with an auto-generated _id field.
+     * @tc.expected:step1.GRD_INVALID_ARGS
+    */
+    for (int i = 0; i < 10; i++) {
+        EXPECT_EQ(GRD_InsertDoc(g_db, RIGHT_COLLECTION_NAME, NULL, 0), GRD_INVALID_ARGS);
+    }
+}
 /**
   * @tc.name: DocumentDBInsertTest022
   * @tc.desc: parameter collectionName is equal to 256 charactors
@@ -563,14 +606,14 @@ HWTEST_F(DocumentDBInsertTest, DocumentDBInsertTest025, TestSize.Level1)
      * @tc.steps:step1.documents JSON depth is 4, which is allowed.
      * @tc.expected:step1.GRD_OK.
      */
-    const char *document1 = "{\"_id\" : \"25_0\", \"level1\" : { \"level2\" : {\"level3\" :\
-        {\"level4\" : \"level4Val\" } } } , \"level1_2\" : \"level1_2Val\" }";
+    const char *document1 = "{\"level1\" : {\"level2\" : {\"level3\" :\
+        {\"level4\" : \"level4Val\"}}} , \"level1_2\" : \"level1_2Val\" }";
     EXPECT_EQ(GRD_InsertDoc(g_db, RIGHT_COLLECTION_NAME, document1, 0), GRD_OK);
     /**
      * @tc.steps:step2.documents JSON depth is exactly 4.
      * @tc.expected:step2.GRD_OK.
      */
-    const char *document2 = "{\"_id\" : \"25_1\", \"class_name\" : \"计算机科学一班\", \"signed_info\" : true, \
+    const char *document2 = "{\"class_name\" : \"计算机科学一班\", \"signed_info\" : true, \
         \"student_info\" : [{\"name\":\"张三\", \"age\" : 18, \"sex\" : \"男\"}, \
         { \"newName1\" : [\"qw\", \"dr\", 0, \"ab\"] }]}";
     EXPECT_EQ(GRD_InsertDoc(g_db, RIGHT_COLLECTION_NAME, document2, 0), GRD_OK);
@@ -578,7 +621,7 @@ HWTEST_F(DocumentDBInsertTest, DocumentDBInsertTest025, TestSize.Level1)
      * @tc.steps:step3.documents JSON depth is exactly 4, but the last field in array contains leading number
      * @tc.expected:step3.GRD_INVALID_ARGS.
      */
-    const char *document3 = "{\"_id\" : \"25_2\", \"class_name\" : \"计算机科学一班\", \"signed_info\" : true, \
+    const char *document3 = "{\"class_name\" : \"计算机科学一班\", \"signed_info\" : true, \
         \"student_info\" : [{\"name\":\"张三\", \"age\" : 18, \"sex\" : \"男\"}, \
         [\"qw\", \"dr\", 0, \"ab\", {\"0ab\" : null}]]}";
     EXPECT_EQ(GRD_InsertDoc(g_db, RIGHT_COLLECTION_NAME, document3, 0), GRD_INVALID_ARGS);
@@ -586,7 +629,7 @@ HWTEST_F(DocumentDBInsertTest, DocumentDBInsertTest025, TestSize.Level1)
      * @tc.steps:step4.documents JSON depth is exactly 5.
      * @tc.expected:step4.GRD_INVALID_ARGS.
      */
-    const char *document4 = "{\"_id\" : \"25_3\", \"class_name\" : \"计算机科学一班\", \"signed_info\" : true, \
+    const char *document4 = "{\"class_name\" : \"计算机科学一班\", \"signed_info\" : true, \
         \"student_info\" : [{\"name\":\"张三\", \"age\" : 18, \"sex\" : \"男\"}, \
         { \"newName1\" : [\"qw\", \"dr\", 0, \"ab\", {\"level5\" : 1}] }]}";
     EXPECT_EQ(GRD_InsertDoc(g_db, RIGHT_COLLECTION_NAME, document4, 0), GRD_INVALID_ARGS);
@@ -605,13 +648,8 @@ HWTEST_F(DocumentDBInsertTest, DocumentDBInsertTest, TestSize.Level1)
      * @tc.steps:step1.Insert 100 normal documents continuously
      * @tc.expected:step1.GRD_OK.
      */
-    string document1 = "{\"_id\" : ";
-    string document2 = "\"";
-    string document4 = "\"";
-    string document5 = ", \"name\" : \"Ori\"}";
+    string document = "{\"name\" : \"Ori\"}";
     for (int i = 0; i < 5; i++) {
-        string document_midlle = "26" + std::to_string(i);
-        string document = document1 + document2 + document_midlle + document4 + document5;
         EXPECT_EQ(GRD_InsertDoc(g_db, RIGHT_COLLECTION_NAME, document.c_str(), 0), GRD_OK);
     }
 }
@@ -631,7 +669,7 @@ HWTEST_F(DocumentDBInsertTest, DocumentDBInsertTest035, TestSize.Level1)
      * upper &lower case charactors, numbers and underline.
      * @tc.expected:step1.GRD_OK.
      */
-    const char *document1 = "{\"_id\" : \"35\", \"A_aBdk_324_\" : \"value\", \"name\" : \"Chuan\"}";
+    const char *document1 = "{\"A_aBdk_324_\" : \"value\", \"name\" : \"Chuan\"}";
     EXPECT_EQ(GRD_InsertDoc(g_db, RIGHT_COLLECTION_NAME, document1, 0), GRD_OK);
     /**
      * @tc.steps:step1.Insert a document whose value contains
@@ -639,7 +677,7 @@ HWTEST_F(DocumentDBInsertTest, DocumentDBInsertTest035, TestSize.Level1)
      * But the field started with number, which is not allowed.
      * @tc.expected:step1.GRD_OK.
      */
-    const char *document2 = "{\"_id\" : \"35_2\", \"1A_aBdk_324_\" : \"value\", \"name\" : \"Chuan\"}";
+    const char *document2 = "{\"1A_aBdk_324_\" : \"value\", \"name\" : \"Chuan\"}";
     EXPECT_EQ(GRD_InsertDoc(g_db, RIGHT_COLLECTION_NAME, document2, 0), GRD_INVALID_ARGS);
 }
 
@@ -721,90 +759,110 @@ HWTEST_F(DocumentDBInsertTest, DocumentDBInsertTest038, TestSize.Level1)
 HWTEST_F(DocumentDBInsertTest, DocumentDBInsertTest039, TestSize.Level1)
 {
     /**
-     * @tc.steps:step1.Insert a filter which _id value's lens is larger than MAX_ID_LENS.
+     * @tc.steps:step1.Insert a filter which _id string len is 899
      * @tc.expected:step1.GRD_OVER_LIMIT.
      */
-    string document1 = "{\"_id\" : ";
-    string document2 = "\"";
-    string document4 = "\"";
-    string document5 = ", \"name\" : \"Ori\"}";
-    string document_midlle(MAX_ID_LENS + 1, 'k');
-    string document = document1 + document2 + document_midlle + document4 + document5;
-    EXPECT_EQ(GRD_InsertDoc(g_db, RIGHT_COLLECTION_NAME, document.c_str(), 0), GRD_OVER_LIMIT);
+    string head = "{\"_id\" : \"";
+    string end = "\", \"name\":\"mike\"}";
+    string doc = head + std::string(900 - 1, 'k') + end;
+    EXPECT_EQ(GRD_InsertDoc(g_db, RIGHT_COLLECTION_NAME, doc.c_str(), 0), GRD_OK);
 
     /**
      * @tc.steps:step1.Insert a filter which _id value's lens is equal as MAX_ID_LENS.
      * @tc.expected:step1.GRD_OK.
      */
-    string document_midlle2(MAX_ID_LENS, 'k');
-    document = document1 + document2 + document_midlle2 + document4 + document5;
-    EXPECT_EQ(GRD_InsertDoc(g_db, RIGHT_COLLECTION_NAME, document.c_str(), 0), GRD_OK);
+    string doc1 = head + std::string(900, 'k') + end;
+    EXPECT_EQ(GRD_InsertDoc(g_db, RIGHT_COLLECTION_NAME, doc1.c_str(), 0), GRD_OVER_LIMIT);
 }
 
 /**
   * @tc.name: DocumentUpdataApiTest040
-  * @tc.desc: Insert a filter which _id value's lens is larger than MAX_ID_LENS
+  * @tc.desc: Test insert under condition with multiple connection
   * @tc.type: FUNC
   * @tc.require:
   * @tc.author: mazhao
   */
 HWTEST_F(DocumentDBInsertTest, DocumentDBInsertTest040, TestSize.Level1)
 {
-    const char *filter = "{\"_id\" : \"1\"}";
-    const char *updata2 = "{\"objectInfo.child.child\" : {\"child\":{\"child\":null}}}";
-    EXPECT_EQ(GRD_UpdateDoc(g_db, RIGHT_COLLECTION_NAME, filter, updata2, 0), GRD_INVALID_ARGS);
+    /**
+     * @tc.steps:step1.create multiple collection.
+     * @tc.expected:step1.GRD_OK.
+     */
+    string head = "{\"_id\" : \"";
+    string end = "\", \"name\":\"mike\"}";
+    string doc = "";
+    const int connectCnt = 16;
+    GRD_DB *dbVec[connectCnt] = { g_db };
+    for (int i = 1; i < connectCnt; i++) {
+        int status = GRD_DBOpen(g_path.c_str(), nullptr, GRD_DB_OPEN_CREATE, &dbVec[i]);
+        EXPECT_EQ(status, GRD_OK);
+    }
+    /**
+     * @tc.steps:step2. Insert document(with and without _id) using multiple collection
+     * @tc.expected:step2.GRD_OK.
+     */
+    string doc2 = "{\"name\": \"doc\"}";
+    for (int i = 1; i < connectCnt; i++) {
+        doc = head + std::to_string(i) + 'a' + end;
+        EXPECT_EQ(GRD_InsertDoc(dbVec[i], RIGHT_COLLECTION_NAME, doc.c_str(), 0), GRD_OK);
+        EXPECT_EQ(GRD_InsertDoc(dbVec[i], RIGHT_COLLECTION_NAME, doc2.c_str(), 0), GRD_OK);
+    }
+    /**
+     * @tc.steps:step3. Close the connection created before
+     * @tc.expected:step3.GRD_OK.
+     */
+    for (int i = 1; i < connectCnt; i++) {
+        EXPECT_EQ(GRD_DBClose(dbVec[i], 0), GRD_OK);
+    }
 }
 
-/**
-  * @tc.name: DocumentUpdataApiTest041
-  * @tc.desc: Insert a filter which _id value's lens is larger than MAX_ID_LENS
-  * @tc.type: FUNC
-  * @tc.require:
-  * @tc.author: mazhao
-  */
-HWTEST_F(DocumentDBInsertTest, DocumentDBInsertTest041, TestSize.Level1)
+static void CreateDbAndInsert(int i)
 {
-    const char *filter = "{\"_id\" : \"1\"}";
-    const char *updata1 = "{\"_id\" : \"6\"}";
-    EXPECT_EQ(GRD_UpdateDoc(g_db, RIGHT_COLLECTION_NAME, filter, updata1, 0), GRD_INVALID_ARGS);
+    GRD_DB *db = nullptr;
+    string head = "{\"_id\" : \"";
+    string end = "\", \"name\":\"mike\"}";
+    string doc = head + std::to_string(i) + 'b' + end;
+    string doc2 = "{\"name\": \"doc\"}";
+    int status = GRD_DBOpen(g_path.c_str(), nullptr, GRD_DB_OPEN_CREATE, &db);
+    EXPECT_EQ(status, GRD_OK);
+    EXPECT_EQ(GRD_InsertDoc(db, RIGHT_COLLECTION_NAME, doc.c_str(), 0), GRD_OK);
+    EXPECT_EQ(GRD_InsertDoc(db, RIGHT_COLLECTION_NAME, doc2.c_str(), 0), GRD_OK);
+    EXPECT_EQ(GRD_DBClose(db, 0), GRD_OK);
 }
 
-/**
-  * @tc.name: DocumentUpdataApiTest042
-  * @tc.desc: Insert a filter which _id value's lens is larger than MAX_ID_LENS
-  * @tc.type: FUNC
-  * @tc.require:
-  * @tc.author: mazhao
-  */
-HWTEST_F(DocumentDBInsertTest, DocumentDBInsertTest042, TestSize.Level1)
+static void CreateAndDropCollection(int i)
 {
-    const char *filter = "{\"_id\" : \"1\"}";
-    const char *updata1 = "{\"age$\" : \"21\"}";
-    const char *updata2 = "{\"bonus..traffic\" : 100}";
-    const char *updata3 = "{\"0item\" : 100}";
-    const char *updata4 = "{\"item\" : 1.79769313486232e308}";
-    EXPECT_EQ(GRD_UpdateDoc(g_db, RIGHT_COLLECTION_NAME, filter, updata1, 0), GRD_INVALID_ARGS);
-    EXPECT_EQ(GRD_UpdateDoc(g_db, RIGHT_COLLECTION_NAME, filter, updata2, 0), GRD_INVALID_ARGS);
-    EXPECT_EQ(GRD_UpdateDoc(g_db, RIGHT_COLLECTION_NAME, filter, updata3, 0), GRD_INVALID_ARGS);
-    EXPECT_EQ(GRD_UpdateDoc(g_db, RIGHT_COLLECTION_NAME, filter, updata4, 0), GRD_INVALID_ARGS);
+    string collection = "collection" + std::to_string(i);
+    EXPECT_EQ(GRD_CreateCollection(g_db, collection.c_str(), "", 0), GRD_OK);
+    EXPECT_EQ(GRD_DropCollection(g_db, collection.c_str(), 0), GRD_OK);
 }
 
+struct CreateDbAndInsertThread {
+    CreateDbAndInsertThread(int id) : m_id(id) {}
+    void operator()() const
+    {
+        CreateDbAndInsert(m_id);
+    }
+    int m_id;
+};
+
 /**
-  * @tc.name: DocumentUpdataApiTest043
-  * @tc.desc: Insert a filter which _id value's lens is larger than MAX_ID_LENS
+  * @tc.name: DocumentInsertApiTest041
+  * @tc.desc: Test insert under multi-thread condition
   * @tc.type: FUNC
   * @tc.require:
   * @tc.author: mazhao
   */
-HWTEST_F(DocumentDBInsertTest, DocumentDBInsertTest043, TestSize.Level1)
+HWTEST_F(DocumentDBInsertTest, DocumentDBInsertTest041, TestSize.Level1)
 {
-    const char *filter = "{\"_id\" : \"1\"}";
-    const char *updata1 = "{\"age\" : 21}";
-    EXPECT_EQ(GRD_UpdateDoc(g_db, NULL, filter, updata1, 0), GRD_INVALID_ARGS);
-    EXPECT_EQ(GRD_UpdateDoc(g_db, "", filter, updata1, 0), GRD_INVALID_ARGS);
-    EXPECT_EQ(GRD_UpdateDoc(NULL, RIGHT_COLLECTION_NAME, filter, updata1, 0), GRD_INVALID_ARGS);
-    EXPECT_EQ(GRD_UpdateDoc(g_db, RIGHT_COLLECTION_NAME, NULL, updata1, 0), GRD_INVALID_ARGS);
-    EXPECT_EQ(GRD_UpdateDoc(g_db, RIGHT_COLLECTION_NAME, filter, NULL, 0), GRD_INVALID_ARGS);
+    vector<std::thread> threads;
+    const int numThreads = 16;
+    for (int i = 1; i < numThreads; i++) {
+        threads.emplace_back(std::thread(CreateDbAndInsertThread(i)));
+    }
+    for (auto &thread : threads) {
+        thread.join();
+    }
 }
 
 HWTEST_F(DocumentDBInsertTest, DocumentDBInsertTest044, TestSize.Level1)
@@ -826,4 +884,42 @@ HWTEST_F(DocumentDBInsertTest, DocumentDBInsertTest046, TestSize.Level1)
     const char *document1 = R""({})"";
     EXPECT_EQ(GRD_InsertDoc(g_db, RIGHT_COLLECTION_NAME, document1, 0), GRD_OK);
 }
+
+/**
+  * @tc.name: GetOidKey003
+  * @tc.desc: Check the range of key which is not repeated
+  * @tc.type: FUNC
+  * @tc.require:
+  * @tc.author: mazhao
+  */
+HWTEST_F(DocumentDBInsertTest, GetOidKey003, TestSize.Level1)
+{
+    std::set<std::string> keySet;
+    DocumentDB::DocKey docKey;
+    uint32_t curTime = time(nullptr);
+    int num = 0;
+    for (int i = 0; i < 77777; ++i) { // 77777 is a random num greater than uint16.
+        /**
+        * @tc.steps:step1. Get objectId key.
+        * @tc.expected:step1. Return GRD_OK and key is not NULL.
+        */
+        EXPECT_EQ(DocumentDB::DocumentKey::GetOidDocKey(docKey), GRD_OK);
+        EXPECT_NE(docKey.key.empty(), true);
+        /**
+        * @tc.steps:step2. Cache the hex key
+        * @tc.expected:step2. Up to 65536 keys are not equal in one second.
+        */
+        uint32_t now = 0;
+        sscanf(docKey.key.c_str(), "%08x", &now);
+        if (curTime != now) {
+            break;
+        }
+        if (num > 65535) {
+            EXPECT_NE(keySet.find(docKey.key), keySet.end());
+        }
+        num++;
+        EXPECT_EQ(keySet.find(docKey.key), keySet.end());
+        keySet.insert(docKey.key);
+    }
+}
 } // namespace
diff --git a/services/distributeddataservice/service/data_share/gaussdb_rd/test/unittest/oh_adapter/documentdb_json_common_test.cpp b/services/distributeddataservice/service/data_share/gaussdb_rd/test/unittest/oh_adapter/documentdb_json_common_test.cpp
index bfe3a8463d90bc7e4e1c786c92ee91fb95100e0b..bec7c70ae6d54df431a954fdf29d6fa6a836869a 100644
--- a/services/distributeddataservice/service/data_share/gaussdb_rd/test/unittest/oh_adapter/documentdb_json_common_test.cpp
+++ b/services/distributeddataservice/service/data_share/gaussdb_rd/test/unittest/oh_adapter/documentdb_json_common_test.cpp
@@ -44,9 +44,9 @@ void DocumentDBJsonCommonTest::TearDown(void) {}
 
 HWTEST_F(DocumentDBJsonCommonTest, JsonObjectAppendTest001, TestSize.Level0)
 {
-    std::string document = R""({"name":"Tmn","age":18,"addr":{"city":"shanghai","postal":200001}})"";
-    std::string updateDoc = R""({"name":"Xue","case":{"field1":1,"field2":"string","field3":[1,2,3]},
-        "age":28,"addr":{"city":"shenzhen","postal":518000}})"";
+    std::string document = R""({"name":"Tmn", "age":18, "addr":{"city":"shanghai", "postal":200001}})"";
+    std::string updateDoc = R""({"name":"Xue", "case":{"field1":1, "field2":"string", "field3":[1, 2, 3]},
+        "age":28, "addr":{"city":"shenzhen", "postal":518000}})"";
 
     int errCode = E_OK;
     JsonObject src = JsonObject::Parse(document, errCode);
@@ -68,9 +68,10 @@ HWTEST_F(DocumentDBJsonCommonTest, JsonObjectAppendTest001, TestSize.Level0)
 
 HWTEST_F(DocumentDBJsonCommonTest, JsonObjectAppendTest002, TestSize.Level0)
 {
-    std::string document = R""({"name":"Tmn","case":2,"age":[1,2,3],"addr":{"city":"shanghai","postal":200001}})"";
-    std::string updateDoc = R""({"name":["Xue","Neco","Lip"],"grade":99,"age":18,"addr":
-        [{"city":"shanghai","postal":200001},{"city":"beijing","postal":100000}]})"";
+    std::string document = R""({"name":"Tmn", "case":2, "age":[1, 2, 3],
+        "addr":{"city":"shanghai", "postal":200001}})"";
+    std::string updateDoc = R""({"name":["Xue", "Neco", "Lip"], "grade":99, "age":18, "addr":
+        [{"city":"shanghai", "postal":200001}, {"city":"beijing", "postal":100000}]})"";
 
     int errCode = E_OK;
     JsonObject src = JsonObject::Parse(document, errCode);
@@ -91,10 +92,10 @@ HWTEST_F(DocumentDBJsonCommonTest, JsonObjectAppendTest002, TestSize.Level0)
 
 HWTEST_F(DocumentDBJsonCommonTest, JsonObjectAppendTest003, TestSize.Level0)
 {
-    std::string document = R""({"name":["Tmn","BB","Alice"],"age":[1,2,3],"addr":[{"city":"shanghai","postal":200001},
-        {"city":"wuhan","postal":430000}]})"";
-    std::string updateDoc = R""({"name":["Xue","Neco","Lip"],"age":18,"addr":[{"city":"shanghai","postal":200001},
-        {"city":"beijing","postal":100000}]})"";
+    std::string document = R""({"name":["Tmn", "BB", "Alice"], "age":[1, 2, 3],
+        "addr":[{"city":"shanghai", "postal":200001}, {"city":"wuhan", "postal":430000}]})"";
+    std::string updateDoc = R""({"name":["Xue", "Neco", "Lip"], "age":18, "addr":[{"city":"shanghai", "postal":200001},
+        {"city":"beijing", "postal":100000}]})"";
 
     int errCode = E_OK;
     JsonObject src = JsonObject::Parse(document, errCode);
@@ -129,7 +130,7 @@ HWTEST_F(DocumentDBJsonCommonTest, JsonObjectAppendTest004, TestSize.Level0)
 
 HWTEST_F(DocumentDBJsonCommonTest, JsonObjectAppendTest005, TestSize.Level0)
 {
-    std::string document = R""({"name":["Tmn","BB","Alice"]})"";
+    std::string document = R""({"name":["Tmn", "BB", "Alice"]})"";
     std::string updateDoc = R""({"name.2":"GG"})"";
 
     int errCode = E_OK;
@@ -148,7 +149,7 @@ HWTEST_F(DocumentDBJsonCommonTest, JsonObjectAppendTest005, TestSize.Level0)
 
 HWTEST_F(DocumentDBJsonCommonTest, JsonObjectAppendTest006, TestSize.Level0)
 {
-    std::string document = R""({"name":{"first":"Tno","last":"moray"}})"";
+    std::string document = R""({"name":{"first":"Tno", "last":"moray"}})"";
     std::string updateDoc = R""({"name":{"midle.AA":"GG"}})"";
 
     int errCode = E_OK;
@@ -167,7 +168,7 @@ HWTEST_F(DocumentDBJsonCommonTest, JsonObjectAppendTest006, TestSize.Level0)
 
 HWTEST_F(DocumentDBJsonCommonTest, JsonObjectAppendTest007, TestSize.Level0)
 {
-    std::string document = R""({"name":{"first":["XX","CC"],"last":"moray"}})"";
+    std::string document = R""({"name":{"first":["XX", "CC"], "last":"moray"}})"";
     std::string updateDoc = R""({"name.first.0":"LL"})"";
 
     int errCode = E_OK;
@@ -186,8 +187,8 @@ HWTEST_F(DocumentDBJsonCommonTest, JsonObjectAppendTest007, TestSize.Level0)
 
 HWTEST_F(DocumentDBJsonCommonTest, JsonObjectAppendTest008, TestSize.Level0)
 {
-    std::string document = R""({"name":{"first":"XX","last":"moray"}})"";
-    std::string updateDoc = R""({"name":{"first":["XXX","BBB","CCC"]}})"";
+    std::string document = R""({"name":{"first":"XX", "last":"moray"}})"";
+    std::string updateDoc = R""({"name":{"first":["XXX", "BBB", "CCC"]}})"";
 
     int errCode = E_OK;
     JsonObject src = JsonObject::Parse(document, errCode);
@@ -205,7 +206,7 @@ HWTEST_F(DocumentDBJsonCommonTest, JsonObjectAppendTest008, TestSize.Level0)
 
 HWTEST_F(DocumentDBJsonCommonTest, JsonObjectAppendTest009, TestSize.Level0)
 {
-    std::string document = R""({"name":{"first":["XXX","BBB","CCC"],"last":"moray"}})"";
+    std::string document = R""({"name":{"first":["XXX", "BBB", "CCC"], "last":"moray"}})"";
     std::string updateDoc = R""({"name":{"first":"XX"}})"";
 
     int errCode = E_OK;
@@ -286,8 +287,8 @@ HWTEST_F(DocumentDBJsonCommonTest, JsonObjectAppendTest013, TestSize.Level0)
 
 HWTEST_F(DocumentDBJsonCommonTest, JsonObjectAppendTest014, TestSize.Level0)
 {
-    std::string document = R""({"name":{"first":"Xue","second":"Lang"}, "info":"AA"})"";
-    std::string updateDoc = R""({"info":"GG", "name.0":"GG"})"";
+    std::string document = R""({"name":{"first":"Xue", "second":"Lang"}})"";
+    std::string updateDoc = R""({"name.0":"GG"})"";
 
     int errCode = E_OK;
     JsonObject src = JsonObject::Parse(document, errCode);
@@ -301,7 +302,7 @@ HWTEST_F(DocumentDBJsonCommonTest, JsonObjectAppendTest014, TestSize.Level0)
 HWTEST_F(DocumentDBJsonCommonTest, JsonObjectAppendTest015, TestSize.Level0)
 {
     std::string document = R""({"name":{"first":"Xue","second":"Lang"}})"";
-    std::string updateDoc = R""({"name.first":["GG","MM"]})"";
+    std::string updateDoc = R""({"name.first":["GG", "MM"]})"";
 
     int errCode = E_OK;
     JsonObject src = JsonObject::Parse(document, errCode);
@@ -459,7 +460,7 @@ HWTEST_F(DocumentDBJsonCommonTest, JsonObjectisFilterCheckTest012, TestSize.Leve
 {
     std::string document =
         R""({"item" : "journal", "instock" : [{"warehose" : "A", "qty" : 5}, {"warehose" : "C", "qty" : 15}]})"";
-    std::string filter = R""({"instock" : {"warehose" : "A", "bad" : "2" ,"qty" : 5}})"";
+    std::string filter = R""({"instock" : {"warehose" : "A", "bad" : "2" , "qty" : 5}})"";
     int errCode = E_OK;
     JsonObject srcObj = JsonObject::Parse(document, errCode);
     EXPECT_EQ(errCode, E_OK);
diff --git a/services/distributeddataservice/service/data_share/gaussdb_rd/test/unittest/oh_adapter/documentdb_jsonobject_test.cpp b/services/distributeddataservice/service/data_share/gaussdb_rd/test/unittest/oh_adapter/documentdb_jsonobject_test.cpp
index 93d46974db1f0e372d108a60bd25a64023e5c246..604f2c386eeb5e9d5a9f019633c9dcc4404be2ab 100644
--- a/services/distributeddataservice/service/data_share/gaussdb_rd/test/unittest/oh_adapter/documentdb_jsonobject_test.cpp
+++ b/services/distributeddataservice/service/data_share/gaussdb_rd/test/unittest/oh_adapter/documentdb_jsonobject_test.cpp
@@ -49,7 +49,7 @@ void DocumentDBJsonObjectTest::TearDown(void) {}
  */
 HWTEST_F(DocumentDBJsonObjectTest, JsonObjectTest001, TestSize.Level0)
 {
-    const std::string config = R""({"a":123,"b":{"c":234,"d":"12345"}})"";
+    const std::string config = R""({"a":123, "b":{"c":234, "d":"12345"}})"";
 
     int ret = E_OK;
     JsonObject conf = JsonObject::Parse(config, ret);