diff --git a/src/connector/go/src/taosSql/taosSqlCgo.go b/src/connector/go/src/taosSql/taosSqlCgo.go
index e91f6bfc49781d003338a969c9cecc5b32b92d54..e240ac44ec23116c332b250499848e42143066f4 100755
--- a/src/connector/go/src/taosSql/taosSqlCgo.go
+++ b/src/connector/go/src/taosSql/taosSqlCgo.go
@@ -33,7 +33,7 @@ func (mc *taosConn) taosConnect(ip, user, pass, db string, port int) (taos unsaf
 	cuser := C.CString(user)
 	cpass := C.CString(pass)
 	cip   := C.CString(ip)
-	cdb   := C.CString("")
+	cdb   := C.CString(db)
 	defer C.free(unsafe.Pointer(cip))
 	defer C.free(unsafe.Pointer(cuser))
 	defer C.free(unsafe.Pointer(cpass))