diff --git a/include/libs/monitor/monitor.h b/include/libs/monitor/monitor.h
index ecd59a51a8..256be26999 100644
--- a/include/libs/monitor/monitor.h
+++ b/include/libs/monitor/monitor.h
@@ -153,7 +153,7 @@ typedef struct {
 } SMonStbInfo;
 
 typedef struct {
-  uint32_t expire_time;
+  int64_t  expire_time;
   int64_t  timeseries_used;
   int64_t  timeseries_total;
 } SMonGrantInfo;
diff --git a/source/dnode/mnode/impl/src/mndMain.c b/source/dnode/mnode/impl/src/mndMain.c
index 249ddb74c6..b188d314d9 100644
--- a/source/dnode/mnode/impl/src/mndMain.c
+++ b/source/dnode/mnode/impl/src/mndMain.c
@@ -989,8 +989,8 @@ int32_t mndGetMonitorInfo(SMnode *pMnode, SMonClusterInfo *pClusterInfo, SMonVgr
   pGrantInfo->expire_time = (pMnode->grant.expireTimeMS - ms) / 1000;
   pGrantInfo->timeseries_total = pMnode->grant.timeseriesAllowed;
   if (pMnode->grant.expireTimeMS == 0) {
-    pGrantInfo->expire_time = INT32_MAX;
-    pGrantInfo->timeseries_total = INT32_MAX;
+    pGrantInfo->expire_time = 0;
+    pGrantInfo->timeseries_total = 0;
   }
 
   mndReleaseRpc(pMnode);