fix bug

src/client/src/tscStream.c

@@ -402,10 +402,12 @@ static void tscSetNextLaunchTimer(SSqlStream *pStream, SSqlObj *pSql) {
       taos_close_stream(pStream);
       return;
     }
-    
-    timer = pStream->stime - taosGetTimestamp(pStream->precision);
-    if (timer < 0) {
-      timer = 0;
+
+    if (pStream->stime > 0) {
+      timer = pStream->stime - taosGetTimestamp(pStream->precision);
+      if (timer < 0) {
+        timer = 0;
+      }
     }
   }
 

tests/pytest/stream/sys.py

@@ -47,7 +47,7 @@ class TDTestCase:
             "select * from iostrm",
         ]
         for sql in sqls:
-            (rows, _) = tdSql.waitedQuery(sql, 1, 120)
+            (rows, _) = tdSql.waitedQuery(sql, 1, 240)
             if rows < 1:
                 tdLog.exit("failed: sql:%s, expect at least one row" % sql)