diff --git a/assets/section_3.1_1686980736370_0.edn b/assets/section_3.1_1686980736370_0.edn
index 9297518..d04b609 100644
--- a/assets/section_3.1_1686980736370_0.edn
+++ b/assets/section_3.1_1686980736370_0.edn
@@ -123,4 +123,4 @@
                           :page 26},
                :content {:text "[:span]", :image 1686983261351},
                :properties {:color "yellow"}}],
- :extra {:page 26}}
+ :extra {:page 28}}
diff --git a/pages/总复习2023t1.md b/pages/总复习2023t1.md
index ca835a6..369f1db 100644
--- a/pages/总复习2023t1.md
+++ b/pages/总复习2023t1.md
@@ -2890,8 +2890,9 @@
 								- ((648d5223-4e70-4b61-bb3c-89bad7b2d755))
 							-
 						- Continuous random vector
+							- Definition of jpdf:
+								- ((648d525e-f08f-4838-9103-0218fb369579))
 							-
-							- ((648d525e-f08f-4838-9103-0218fb369579))
 			- LATER 学积分
 			  :LOGBOOK:
 			  CLOCK: [2023-06-03 Sat 17:05:07]--[2023-06-03 Sat 17:05:08] =>  00:00:01