diff --git a/services/distributeddataservice/service/data_share/gaussdb_rd/src/interface/src/document_key.cpp b/services/distributeddataservice/service/data_share/gaussdb_rd/src/interface/src/document_key.cpp
index a54ca478c221f4ccac42d6b8f77a018177d9ed03..5c75bf1abc366e83123fe29d9694fe259a878cbc 100644
--- a/services/distributeddataservice/service/data_share/gaussdb_rd/src/interface/src/document_key.cpp
+++ b/services/distributeddataservice/service/data_share/gaussdb_rd/src/interface/src/document_key.cpp
@@ -39,7 +39,7 @@ static int InitDocIdFromOid(DocKey &docKey)
         return -E_INNER_ERROR;
     }
     docKey.key = idTemp;
-    delete idTemp;
+    delete[] idTemp;
     return E_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 c3ad96cb402c44eac5b9fba968508f15103ef0b4..385470b2cac5e626f910b7947cc1d43b1d8ee690 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
@@ -826,4 +826,10 @@ HWTEST_F(DocumentDBInsertTest, DocumentDBInsertTest046, TestSize.Level1)
     const char *document1 = R""({})"";
     EXPECT_EQ(GRD_InsertDoc(g_db, RIGHT_COLLECTION_NAME, document1, 0), GRD_OK);
 }
+
+HWTEST_F(DocumentDBInsertTest, DocumentDBInsertTest047, TestSize.Level1)
+{
+    const char *document1 = R""({"empty" : null})"";
+    EXPECT_EQ(GRD_InsertDoc(g_db, RIGHT_COLLECTION_NAME, document1, 0), GRD_OK);
+}
 } // namespace