diff --git a/assets/section_3.3_1686986508823_0.edn b/assets/section_3.3_1686986508823_0.edn
index 1d39dcc..768927f 100644
--- a/assets/section_3.3_1686986508823_0.edn
+++ b/assets/section_3.3_1686986508823_0.edn
@@ -45,5 +45,17 @@
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                           :page 10},
                :content {:text "[:span]", :image 1686989106243},
+               :properties {:color "yellow"}}
+              {:id #uuid "648d6bc0-6d8b-42a8-bb45-1f700e4855cf",
+               :page 21,
+               :position {:bounding {:x1 59,
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+                          :rects (),
+                          :page 21},
+               :content {:text "[:span]", :image 1686989759749},
                :properties {:color "yellow"}}],
- :extra {:page 19}}
+ :extra {:page 22}}
diff --git a/assets/section_3.3_1686986508823_0/21_648d6bc0-6d8b-42a8-bb45-1f700e4855cf_1686989759749.png b/assets/section_3.3_1686986508823_0/21_648d6bc0-6d8b-42a8-bb45-1f700e4855cf_1686989759749.png
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diff --git a/assets/section_3.4_1686989774901_0.edn b/assets/section_3.4_1686989774901_0.edn
new file mode 100644
index 0000000..ab9a38b
--- /dev/null
+++ b/assets/section_3.4_1686989774901_0.edn
@@ -0,0 +1 @@
+{:highlights [], :extra {:page 1}}
diff --git a/assets/section_3.4_1686989774901_0.pdf b/assets/section_3.4_1686989774901_0.pdf
new file mode 100644
index 0000000..daa9ad5
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diff --git a/pages/hls__section_3.3_1686986508823_0.md b/pages/hls__section_3.3_1686986508823_0.md
index 62bdc5c..9cb89f9 100644
--- a/pages/hls__section_3.3_1686986508823_0.md
+++ b/pages/hls__section_3.3_1686986508823_0.md
@@ -28,4 +28,11 @@ file-path:: ../assets/section_3.3_1686986508823_0.pdf
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   hl-type:: area
-  hl-stamp:: 1686989106243
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+  hl-stamp:: 1686989106243
+- [:span]
+  ls-type:: annotation
+  hl-page:: 21
+  hl-color:: yellow
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diff --git a/pages/总复习2023t1.md b/pages/总复习2023t1.md
index 8abf830..79647f2 100644
--- a/pages/总复习2023t1.md
+++ b/pages/总复习2023t1.md
@@ -2918,15 +2918,22 @@
 							- ((648d5ee1-9c47-463d-adc6-b96160103975))
 					- Conditional distributions ![section 3.3.pdf](../assets/section_3.3_1686986508823_0.pdf)
 						- Discrete case
+						  collapsed:: true
 							- Definition: #flashcard, similar to ((648c1481-86ac-4efa-a60a-f4787d942d76))
+							  collapsed:: true
 								- ((648d6291-12ed-4dfb-8ade-42556f17d91a))
 							- Example: ((648d668a-02de-4e33-b5fe-b78b25a57b78))
 						- Continuous case
+						  collapsed:: true
 							- Definition:
+							  collapsed:: true
 								- ((648d6933-41e3-447e-a69a-69beb5f5f8fb))
-									- assets:///home/ryan/Documents/Notes/logseq_notes/assets/section_3.3_1686986508823_0/10_648d6933-41e3-447e-a69a-69beb5f5f8fb_1686989106243.png
 								- ((648d687d-97c6-415f-8bd0-5ea0b9ac7576))
+						- Summary
+						  collapsed:: true
+							- ((648d6bc0-6d8b-42a8-bb45-1f700e4855cf))
 							-
+					- ![section 3.4.pdf](../assets/section_3.4_1686989774901_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