diff --git a/dbm-ui/backend/core/storages/handlers.py b/dbm-ui/backend/core/storages/handlers.py
index 5d473fd695..03184eb009 100644
--- a/dbm-ui/backend/core/storages/handlers.py
+++ b/dbm-ui/backend/core/storages/handlers.py
@@ -65,7 +65,7 @@ def batch_fetch_file_content(self, file_path_list: List[str]) -> List[Dict[str,
             file_content_list.append(
                 {
                     "path": unzip_file_name,
-                    "content": unzip_files.read(unzip_file_name).decode("utf-8"),
+                    "content": unzip_files.read(unzip_file_name).decode("utf-8", errors="replace"),
                     "url": self.storage.url(unzip_file_name),
                 }
             )
diff --git a/dbm-ui/backend/db_services/mysql/constants.py b/dbm-ui/backend/db_services/mysql/constants.py
index e25898366c..560bda7bc6 100644
--- a/dbm-ui/backend/db_services/mysql/constants.py
+++ b/dbm-ui/backend/db_services/mysql/constants.py
@@ -27,4 +27,6 @@
 )
 
 # 根据库名查询表名的sql语句
-QUERY_TABLES_FROM_DB_SQL = "select table_schema, table_name from information_schema.tables where {db_sts}"
+QUERY_TABLES_FROM_DB_SQL = (
+    "select table_schema as table_schema, table_name as table_name from information_schema.tables where {db_sts}"
+)