diff --git a/src/balance/src/balance.c b/src/balance/src/balance.c
index 1c25c04717191bb3d3832935fe316a59913275b7..53638f1025a2d6b873d43a52b654b9efa3cfe132 100644
--- a/src/balance/src/balance.c
+++ b/src/balance/src/balance.c
@@ -409,7 +409,7 @@ static int32_t balanceMonitorVgroups() {
 
     int32_t dbReplica = pVgroup->pDb->cfg.replications;
     int32_t vgReplica = pVgroup->numOfVnodes;
-    int32_t code;
+    int32_t code = -1;
     
     if (vgReplica > dbReplica) {
       mInfo("vgId:%d, replica:%d numOfVnodes:%d, try remove one vnode", pVgroup->vgId, dbReplica, vgReplica);