diff --git a/include/util/ttimer.h b/include/util/ttimer.h
index d1e57bb3ba..4111a8ca28 100644
--- a/include/util/ttimer.h
+++ b/include/util/ttimer.h
@@ -37,6 +37,8 @@ tmr_h taosTmrStart(TAOS_TMR_CALLBACK fp, int32_t mseconds, void *param, void *ha
 
 bool taosTmrStop(tmr_h tmrId);
 
+bool taosTmrStopA(tmr_h *tmrId);
+
 bool taosTmrReset(TAOS_TMR_CALLBACK fp, int32_t mseconds, void *param, void *handle, tmr_h *pTmrId);
 
 #ifdef __cplusplus