diff --git a/mycobot_280_M5(2023)cn/4-SupportAndService/9.Troubleshooting/9.0-how_to_ask.md b/mycobot_280_M5(2023)cn/4-SupportAndService/9.Troubleshooting/9.0-how_to_ask.md
index c2a23a32..4d3281bc 100644
--- a/mycobot_280_M5(2023)cn/4-SupportAndService/9.Troubleshooting/9.0-how_to_ask.md
+++ b/mycobot_280_M5(2023)cn/4-SupportAndService/9.Troubleshooting/9.0-how_to_ask.md
@@ -1,4 +1,4 @@
-# 如何优雅地提问
+# 如何优雅地提问1
 
 ### 1 在各个地方提问时，大家会发现有几个现象：