diff --git a/assets/section_1.6_1686904326481_0.edn b/assets/section_1.6_1686904326481_0.edn
index 19fb63b..e0f95ad 100644
--- a/assets/section_1.6_1686904326481_0.edn
+++ b/assets/section_1.6_1686904326481_0.edn
@@ -248,4 +248,4 @@
                           :page 27},
                :content {:text "Theorem"},
                :properties {:color "yellow"}}],
- :extra {:page 30}}
+ :extra {:page 28}}
diff --git a/pages/总复习2023t1.md b/pages/总复习2023t1.md
index 451411d..c66d804 100644
--- a/pages/总复习2023t1.md
+++ b/pages/总复习2023t1.md
@@ -2614,7 +2614,6 @@
 			  CLOCK: [2023-06-16 Fri 15:00:23]--[2023-06-16 Fri 15:18:37] =>  00:18:14
 			  :END:
 				- DONE Ch1
-				  collapsed:: true
 				  :LOGBOOK:
 				  CLOCK: [2023-06-16 Fri 15:31:10]--[2023-06-16 Fri 17:15:08] =>  01:43:58
 				  :END: