diff --git a/setup_server.md b/setup_server.md
index 2c5a8f1..23bd4e1 100644
--- a/setup_server.md
+++ b/setup_server.md
@@ -83,6 +83,8 @@ Setup instructions for WMH's work
         （4）submit_risk_probability_result
         （5）pressure_sensor_placement_sensitivity
 
+6. In times table, all time values should be the format "hh:mm::ss"
+
 NOTES:
     1.  SCADA设备的时候，单位要转换，现在模拟算出来的单位是L/s，SCADA数据是m3/h，L/s要乘3.6才是m3/h
     2. 之前的SCADA压力应该转过了，SCADA数据的单位是MPa，要乘以100才是m
\ No newline at end of file