diff --git a/source/libs/transport/inc/transComm.h b/source/libs/transport/inc/transComm.h
index 0e809c06b0..a903f26dc9 100644
--- a/source/libs/transport/inc/transComm.h
+++ b/source/libs/transport/inc/transComm.h
@@ -487,7 +487,14 @@ int32_t transUtilSWhiteListToStr(SIpWhiteList* pWhiteList, char** ppBuf);
 
 enum { REQ_STATUS_INIT = 0, REQ_STATUS_PROCESSING };
 
-#define BUFFER_LIMIT        4
+#if defined(WINDOWS) || defined(DARWIN)
+#define BUFFER_LIMIT       1
+#define STATE_BUFFER_LIMIT 1
+#else
+#define BUFFER_LIMIT       4
+#define STATE_BUFFER_LIMIT 8
+#endif
+
 #define HEAP_MISS_HIT_LIMIT 100000
 #define READ_TIMEOUT        100000
 
diff --git a/source/libs/transport/src/transCli.c b/source/libs/transport/src/transCli.c
index e0411e2891..62c9529389 100644
--- a/source/libs/transport/src/transCli.c
+++ b/source/libs/transport/src/transCli.c
@@ -3251,11 +3251,10 @@ static int32_t getOrCreateHeap(SHashObj* pConnHeapCache, char* key, SHeap** pHea
 
 static FORCE_INLINE int8_t shouldSWitchToOtherConn(int32_t reqNum, int32_t sentNum, int32_t stateNum) {
   int32_t total = reqNum + sentNum;
-  if (total >= BUFFER_LIMIT) {
+  if (stateNum >= STATE_BUFFER_LIMIT) {
     return 1;
   }
-
-  if (stateNum >= BUFFER_LIMIT * 2) {
+  if (total >= BUFFER_LIMIT) {
     return 1;
   }