diff --git a/tests/system-test/1-insert/rowlength64k_2.py b/tests/system-test/1-insert/rowlength64k_2.py
index becae4daa4..81a57cd33d 100755
--- a/tests/system-test/1-insert/rowlength64k_2.py
+++ b/tests/system-test/1-insert/rowlength64k_2.py
@@ -23,10 +23,11 @@ class TDTestCase(TDTestCase):
         # self.run_1() 
         # self.run_2() 
         # self.run_3() 
-        # self.run_4() 
+        self.run_4() 
         self.run_5() 
-        self.run_6() 
-        self.run_7() 
+        # self.run_5() 
+        # self.run_6() 
+        # self.run_7() 
         
         endTime_all = time.time()
         print("total time %ds" % (endTime_all - startTime_all))