diff --git a/tools/shell/inc/tire.h b/tools/shell/inc/shellTire.h
similarity index 100%
rename from tools/shell/inc/tire.h
rename to tools/shell/inc/shellTire.h
diff --git a/tools/shell/src/shellAuto.c b/tools/shell/src/shellAuto.c
index 55955b2d36b5861a37d6e7e3c3b90269ce4e05b7..d1eddabd233528844bd5da8e609d0088573138a2 100644
--- a/tools/shell/src/shellAuto.c
+++ b/tools/shell/src/shellAuto.c
@@ -772,7 +772,7 @@ void shellAutoExit() {
   taosThreadMutexDestroy(&tiresMutex);
 
   // free threads
-  for (int32_t i = 0; i < WT_VAR_CNT; i++) {
+  for (int32_t i = 0; i < WT_FROM_DB_CNT; i++) {
     if (threads[i]) {
       taosDestroyThread(threads[i]);
       threads[i] = NULL;
diff --git a/tools/shell/src/tire.c b/tools/shell/src/shellTire.c
similarity index 100%
rename from tools/shell/src/tire.c
rename to tools/shell/src/shellTire.c