diff --git a/src/common/inc/tglobal.h b/src/common/inc/tglobal.h
index 49b5d4417dbe07a63c6e6db1030dc1ddac921852..234fb80be0a2b1b745de364b47918b1e789c43bc 100644
--- a/src/common/inc/tglobal.h
+++ b/src/common/inc/tglobal.h
@@ -43,6 +43,7 @@ extern int64_t  tsArbOnlineTimestamp;
 extern int32_t  tsDnodeId;
 extern int64_t  tsDnodeStartTime;
 extern int8_t   tsDnodeNopLoop;
+extern int32_t  tsTcpConnTimeout;
 
 // common
 extern int      tsRpcTimer;
diff --git a/src/util/src/tsocket.c b/src/util/src/tsocket.c
index 061b079ff16bf78608f79ab14d777bbc9a66f2b9..808c3c8eaa9100a724b58654f240ab45b31be543 100644
--- a/src/util/src/tsocket.c
+++ b/src/util/src/tsocket.c
@@ -17,6 +17,7 @@
 #include "tulog.h"
 #include "tsocket.h"
 #include "taoserror.h"
+#include "tglobal.h"
 
 #ifndef SIGPIPE
   #define SIGPIPE EPIPE