diff --git a/services/distributeddataservice/service/data_share/gaussdb_rd_simple/src/executor/document/document_check.cpp b/services/distributeddataservice/service/data_share/gaussdb_rd_simple/src/executor/document/document_check.cpp
index cff1ab5a82e51479b21f99a20c2495de290a2d33..7d1e3edc2b1414e7b13f0b585b716a790b01e4b5 100644
--- a/services/distributeddataservice/service/data_share/gaussdb_rd_simple/src/executor/document/document_check.cpp
+++ b/services/distributeddataservice/service/data_share/gaussdb_rd_simple/src/executor/document/document_check.cpp
@@ -25,7 +25,7 @@ namespace DocumentDB {
 namespace {
 constexpr const char *KEY_ID = "_id";
 constexpr const char *COLLECTION_PREFIX_GRD = "GRD_";
-constexpr const char *COLLECTION_PREFIX_GM_SYS = "GM_SYS_";
+constexpr const char *COLLECTION_PREFIX_GM_SYS = "GM_SYS";
 const int MAX_COLLECTION_NAME = 512;
 const int MAX_ID_LENS = 900;
 const int JSON_DEEP_MAX = 4;
diff --git a/services/distributeddataservice/service/data_share/gaussdb_rd_simple/test/unittest/api/documentdb_data_test.cpp b/services/distributeddataservice/service/data_share/gaussdb_rd_simple/test/unittest/api/documentdb_data_test.cpp
index e52f8ac996a483c9d485deeba6676f3a0082660e..87061275866c369688707735b8d6b4155d12f06a 100644
--- a/services/distributeddataservice/service/data_share/gaussdb_rd_simple/test/unittest/api/documentdb_data_test.cpp
+++ b/services/distributeddataservice/service/data_share/gaussdb_rd_simple/test/unittest/api/documentdb_data_test.cpp
@@ -345,4 +345,10 @@ HWTEST_F(DocumentDBDataTest, UpdateDataTest011, TestSize.Level0)
     cJSON_Delete(updata);
     cJSON_free(updateStr);
 }
+
+HWTEST_F(DocumentDBDataTest, UpdateDataTest013, TestSize.Level0)
+{
+    int result = GRD_UpdateDoc(g_db, "GM_Sys", R""({})"", R""({})"", 0);
+    EXPECT_EQ(result, GRD_INVALID_FORMAT);
+}
 } // namespace