diff --git a/include/CCommon.h b/include/CCommon.h
index f47f98c..0fbcbda 100644
--- a/include/CCommon.h
+++ b/include/CCommon.h
@@ -38,6 +38,7 @@
   PRODUCER_SEND_ORDERLY_FAILED = 13,
   PRODUCER_SEND_ASYNC_FAILED = 14,
   PRODUCER_SEND_ORDERLYASYNC_FAILED = 15,
+  PRODUCER_SEND_TRANSACTION_FAILED = 16,
 
   PUSHCONSUMER_ERROR_CODE_START = 20,
   PUSHCONSUMER_START_FAILED = 20,
@@ -47,7 +48,8 @@
   PULLCONSUMER_FETCH_MQ_FAILED = 31,
   PULLCONSUMER_FETCH_MESSAGE_FAILED = 32,
 
-  Not_Support = 500
+  Not_Support = 500,
+  NOT_SUPPORT_NOW = -1
 } CStatus;
 
 typedef enum _CLogLevel_ {
diff --git a/src/extern/CProducer.cpp b/src/extern/CProducer.cpp
index 4e8dabd..c95055c 100644
--- a/src/extern/CProducer.cpp
+++ b/src/extern/CProducer.cpp
@@ -595,7 +595,7 @@
     result->msgId[MAX_MESSAGE_ID_LENGTH - 1] = 0;
   } catch (exception& e) {
     MQClientErrorContainer::setErr(string(e.what()));
-    return PRODUCER_SEND_SYNC_FAILED;
+    return PRODUCER_SEND_TRANSACTION_FAILED;
   }
   return OK;
 }