update

01_Markdown介绍/index.yml

@@ -55,8 +55,6 @@ step4:
     action:
       - type: issue_comment.created
         with: 001_5_when_to_use_markdown.md
-      - type: choice
-        with: next.md
     to: step5
 
 step5:

03_标题/index.yml

@@ -53,9 +53,9 @@ step3:
     action:
       - type: choice
         with: 003_4_header_exam.md
-    to: step5
+    to: step4
 
-step5:
+step4:
   link: '{{chapter_3_issue}}'
 #  description: "粗体"
   transitions:
@@ -63,9 +63,9 @@ step5:
     action:
       - type: issue_comment.created
         with: 003_5_end_1.md
-    to: step6
+    to: step5
 
-step6:
+step5:
   link: '{{chapter_3_issue}}'
 #  description: "完成当前章节学习"
   transitions: