format core

1 files changed, 4 insertions, 2 deletions

diff --git a/core/src/xmake/io/file_flush.c b/core/src/xmake/io/file_flush.c
index e5776a60e..73652ce20 100644
--- a/core/src/xmake/io/file_flush.c
+++ b/core/src/xmake/io/file_flush.c
@@ -63,8 +63,9 @@ tb_int_t xm_io_file_flush(lua_State *lua) {
     tb_assert_and_check_return_val(lua, 0);
 
     // is user data?
-    if (!lua_isuserdata(lua, 1))
+    if (!lua_isuserdata(lua, 1)) {
         xm_io_return_error(lua, "flush(invalid file)!");
+    }
 
     // get file
     xm_io_file_t *file = (xm_io_file_t *)lua_touserdata(lua, 1);
@@ -75,6 +76,7 @@ tb_int_t xm_io_file_flush(lua_State *lua) {
     if (ok) {
         lua_pushboolean(lua, tb_true);
         return 1;
-    } else
+    } else {
         xm_io_return_error(lua, "failed to flush file");
+    }
 }