diff --git a/assets/section_2.2_1686907456219_0.edn b/assets/section_2.2_1686907456219_0.edn
index f0b7e12..abca286 100644
--- a/assets/section_2.2_1686907456219_0.edn
+++ b/assets/section_2.2_1686907456219_0.edn
@@ -14,5 +14,34 @@
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                           :page 3},
                :content {:text "The Definition of Distribution Function"},
-               :properties {:color "blue"}}],
- :extra {:page 4}}
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+                          :page 4},
+               :content {:text "The Properties of Distribution Function"},
+               :properties {:color "blue"}}
+              {:id #uuid "648c2a88-3d0f-47d2-be44-21df002a1def",
+               :page 4,
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diff --git a/pages/hls__section_2.2_1686907456219_0.md b/pages/hls__section_2.2_1686907456219_0.md
index f6c3dc1..c218cb6 100644
--- a/pages/hls__section_2.2_1686907456219_0.md
+++ b/pages/hls__section_2.2_1686907456219_0.md
@@ -5,4 +5,16 @@ file-path:: ../assets/section_2.2_1686907456219_0.pdf
   ls-type:: annotation
   hl-page:: 3
   hl-color:: blue
-  id:: 648c2a50-7acf-4cd5-b075-d0e970e114a4
\ No newline at end of file
+  id:: 648c2a50-7acf-4cd5-b075-d0e970e114a4
+- The Properties of Distribution Function
+  ls-type:: annotation
+  hl-page:: 4
+  hl-color:: blue
+  id:: 648c2a73-3961-4723-90e8-5f160bb18e0d
+- [:span]
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+  hl-type:: area
+  hl-stamp:: 1686907527770
\ No newline at end of file
diff --git a/pages/总复习2023t1.md b/pages/总复习2023t1.md
index 2c10850..cdaf9b4 100644
--- a/pages/总复习2023t1.md
+++ b/pages/总复习2023t1.md
@@ -2692,10 +2692,12 @@
 					- The Definition of a Random Variable ![section 2.1.pdf](../assets/section_2.1_1686906920851_0.pdf)
 						- ((648c2860-5454-45f1-80f8-1c85bce84fd1))
 						- ((648c290a-3532-4e56-8536-258daf7b00a7))
+					- Distribution Function
+						- ((648c2970-9091-4f46-8745-b0c10cdeb832))
+							- ((648c2994-36eb-44bf-8038-e49d2390a5b0))
+						- ((648c2a73-3961-4723-90e8-5f160bb18e0d)) ![section 2.2.pdf](../assets/section_2.2_1686907456219_0.pdf)
+							- ((648c2a88-3d0f-47d2-be44-21df002a1def))
 					-
-					- ((648c2970-9091-4f46-8745-b0c10cdeb832))
-						- ((648c2994-36eb-44bf-8038-e49d2390a5b0))
-					- ![section 2.2.pdf](../assets/section_2.2_1686907456219_0.pdf)
 			- LATER 学积分
 			  :LOGBOOK:
 			  CLOCK: [2023-06-03 Sat 17:05:07]--[2023-06-03 Sat 17:05:08] =>  00:00:01