diff --git a/assets/section_2.2_1686916081846_0.edn b/assets/section_2.2_1686916081846_0.edn
index fc8a2ae..4fdb7a5 100644
--- a/assets/section_2.2_1686916081846_0.edn
+++ b/assets/section_2.2_1686916081846_0.edn
@@ -38,5 +38,17 @@
                           :rects (),
                           :page 7},
                :content {:text "[:span]", :image 1686916228670},
+               :properties {:color "yellow"}}
+              {:id #uuid "648c4d11-8654-467e-996c-8df5eb48a598",
+               :page 9,
+               :position {:bounding {:x1 34,
+                                     :y1 104.66650390625,
+                                     :x2 692,
+                                     :y2 481.66650390625,
+                                     :width 725.67,
+                                     :height 544.252},
+                          :rects (),
+                          :page 9},
+               :content {:text "[:span]", :image 1686916368169},
                :properties {:color "yellow"}}],
- :extra {:page 9}}
+ :extra {:page 18}}
diff --git a/assets/section_2.2_1686916081846_0/9_648c4d11-8654-467e-996c-8df5eb48a598_1686916368169.png b/assets/section_2.2_1686916081846_0/9_648c4d11-8654-467e-996c-8df5eb48a598_1686916368169.png
new file mode 100644
index 0000000..edbb962
Binary files /dev/null and b/assets/section_2.2_1686916081846_0/9_648c4d11-8654-467e-996c-8df5eb48a598_1686916368169.png differ
diff --git a/pages/hls__section_2.2_1686916081846_0.md b/pages/hls__section_2.2_1686916081846_0.md
index bb3f715..4d1676a 100644
--- a/pages/hls__section_2.2_1686916081846_0.md
+++ b/pages/hls__section_2.2_1686916081846_0.md
@@ -19,4 +19,11 @@ file-path:: ../assets/section_2.2_1686916081846_0.pdf
   hl-color:: yellow
   id:: 648c4c85-d834-412f-b925-2727e7e1c2ac
   hl-type:: area
-  hl-stamp:: 1686916228670
\ No newline at end of file
+  hl-stamp:: 1686916228670
+- [:span]
+  ls-type:: annotation
+  hl-page:: 9
+  hl-color:: yellow
+  id:: 648c4d11-8654-467e-996c-8df5eb48a598
+  hl-type:: area
+  hl-stamp:: 1686916368169
\ No newline at end of file
diff --git a/pages/总复习2023t1.md b/pages/总复习2023t1.md
index 02520a4..b4971d2 100644
--- a/pages/总复习2023t1.md
+++ b/pages/总复习2023t1.md
@@ -2694,7 +2694,6 @@
 						- ((648c2860-5454-45f1-80f8-1c85bce84fd1))
 						- ((648c290a-3532-4e56-8536-258daf7b00a7))
 					- Distribution Function
-					  collapsed:: true
 						- ((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)
@@ -2716,6 +2715,7 @@
 						- Properties
 							- ((648c4c7a-0eb7-4ba3-b538-5a8358cd98f5))
 							- ((648c4c85-d834-412f-b925-2727e7e1c2ac))
+							- ((648c4d11-8654-467e-996c-8df5eb48a598))
 							-
 			- LATER 学积分
 			  :LOGBOOK: