diff --git a/assets/section_2.5_1686968005870_0.edn b/assets/section_2.5_1686968005870_0.edn
index d0d0a8d..cdf9f9d 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 16}}
+ :extra {:page 18}}
diff --git a/pages/总复习2023t1.md b/pages/总复习2023t1.md
index f731537..6669f04 100644
--- a/pages/总复习2023t1.md
+++ b/pages/总复习2023t1.md
@@ -2812,7 +2812,9 @@
 						- Exponential Distribution
 							- Definition: #flashcard
 								- ((648d25a0-12d9-47c5-b9ca-f7cafdf15d89))
-								- Mean, variance :-> ((648d25a0-12d9-47c5-b9ca-f7cafdf15d89))
+								-
+									- Mean, variance :-> ((648d25a0-12d9-47c5-b9ca-f7cafdf15d89))
+								- Memoryless
 						- Normal Distribution
 			- LATER 学积分
 			  :LOGBOOK: