diff --git a/source/libs/stream/src/streamTask.c b/source/libs/stream/src/streamTask.c
index 2f8de98039..59002e456a 100644
--- a/source/libs/stream/src/streamTask.c
+++ b/source/libs/stream/src/streamTask.c
@@ -120,8 +120,8 @@ int32_t tEncodeStreamTask(SEncoder* pEncoder, const SStreamTask* pTask) {
   taskId = pTask->streamTaskId.taskId;
   if (tEncodeI32(pEncoder, taskId)) return -1;
 
-  if (tEncodeI64(pEncoder, pTask->dataRange.range.minVer)) return -1;
-  if (tEncodeI64(pEncoder, pTask->dataRange.range.maxVer)) return -1;
+  if (tEncodeU64(pEncoder, pTask->dataRange.range.minVer)) return -1;
+  if (tEncodeU64(pEncoder, pTask->dataRange.range.maxVer)) return -1;
   if (tEncodeI64(pEncoder, pTask->dataRange.window.skey)) return -1;
   if (tEncodeI64(pEncoder, pTask->dataRange.window.ekey)) return -1;
 
@@ -193,8 +193,8 @@ int32_t tDecodeStreamTask(SDecoder* pDecoder, SStreamTask* pTask) {
   if (tDecodeI32(pDecoder, &taskId)) return -1;
   pTask->streamTaskId.taskId = taskId;
 
-  if (tDecodeI64(pDecoder, &pTask->dataRange.range.minVer)) return -1;
-  if (tDecodeI64(pDecoder, &pTask->dataRange.range.maxVer)) return -1;
+  if (tDecodeU64(pDecoder, &pTask->dataRange.range.minVer)) return -1;
+  if (tDecodeU64(pDecoder, &pTask->dataRange.range.maxVer)) return -1;
 
   if (tDecodeI64(pDecoder, &pTask->dataRange.window.skey)) return -1;
   if (tDecodeI64(pDecoder, &pTask->dataRange.window.ekey)) return -1;