diff --git a/assets/section_2.5_1686968005870_0.edn b/assets/section_2.5_1686968005870_0.edn
index 6a2b0ff..d0d0a8d 100644
--- a/assets/section_2.5_1686968005870_0.edn
+++ b/assets/section_2.5_1686968005870_0.edn
@@ -58,4 +58,4 @@
                           :page 14},
                :content {:text "[:span]", :image 1686971806691},
                :properties {:color "yellow"}}],
- :extra {:page 14}}
+ :extra {:page 16}}
diff --git a/pages/总复习2023t1.md b/pages/总复习2023t1.md
index f98b303..259cf38 100644
--- a/pages/总复习2023t1.md
+++ b/pages/总复习2023t1.md
@@ -2812,7 +2812,7 @@
 						- Exponential Distribution
 							- Definition:
 								- ((648d25a0-12d9-47c5-b9ca-f7cafdf15d89))
-								-
+								- Mean, variance :->
 						- Normal Distribution
 			- LATER 学积分
 			  :LOGBOOK: