diff --git a/source/common/src/tglobal.c b/source/common/src/tglobal.c
index aaad606feb..4920355a95 100644
--- a/source/common/src/tglobal.c
+++ b/source/common/src/tglobal.c
@@ -433,7 +433,8 @@ static int32_t taosAddServerCfg(SConfig *pCfg) {
 
   tsRpcQueueMemoryAllowed = tsTotalMemoryKB * 1024 * 0.1;
   tsRpcQueueMemoryAllowed = TRANGE(tsRpcQueueMemoryAllowed, TSDB_MAX_WAL_SIZE * 10L, TSDB_MAX_WAL_SIZE * 10000L);
-  if (cfgAddInt64(pCfg, "rpcQueueMemoryAllowed", tsRpcQueueMemoryAllowed, 1, INT64_MAX, 0) != 0) return -1;
+  if (cfgAddInt64(pCfg, "rpcQueueMemoryAllowed", tsRpcQueueMemoryAllowed, TSDB_MAX_WAL_SIZE * 10L, INT64_MAX, 0) != 0)
+    return -1;
 
   if (cfgAddBool(pCfg, "monitor", tsEnableMonitor, 0) != 0) return -1;
   if (cfgAddInt32(pCfg, "monitorInterval", tsMonitorInterval, 1, 200000, 0) != 0) return -1;