diff --git a/tools/shell/src/shellAuto.c b/tools/shell/src/shellAuto.c
index 959e2d6d62..9fc929a595 100644
--- a/tools/shell/src/shellAuto.c
+++ b/tools/shell/src/shellAuto.c
@@ -662,6 +662,7 @@ void showHelp() {
     now - current time \n\
   Example : \n\
     select * from t1 where ts > now - 2w + 3d and ts <= now - 1w -2h ;\n");
+  printf(ERROR_CODE_DETAIL);
   printf("\n");
 }