diff --git a/assets/section_3.2_1686984934976_0.edn b/assets/section_3.2_1686984934976_0.edn
index ab9a38b..d2426ee 100644
--- a/assets/section_3.2_1686984934976_0.edn
+++ b/assets/section_3.2_1686984934976_0.edn
@@ -1 +1,13 @@
-{:highlights [], :extra {:page 1}}
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+               :page 4,
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+                          :page 4},
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+ :extra {:page 4}}
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diff --git a/pages/hls__section_3.2_1686984934976_0.md b/pages/hls__section_3.2_1686984934976_0.md
new file mode 100644
index 0000000..96e6620
--- /dev/null
+++ b/pages/hls__section_3.2_1686984934976_0.md
@@ -0,0 +1,10 @@
+file:: [section_3.2_1686984934976_0.pdf](../assets/section_3.2_1686984934976_0.pdf)
+file-path:: ../assets/section_3.2_1686984934976_0.pdf
+
+- [:span]
+  ls-type:: annotation
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+  hl-color:: yellow
+  id:: 648d5b5f-f73b-422e-9fa7-df385242929d
+  hl-type:: area
+  hl-stamp:: 1686985566326
\ No newline at end of file
diff --git a/pages/总复习2023t1.md b/pages/总复习2023t1.md
index 0f64e02..154761d 100644
--- a/pages/总复习2023t1.md
+++ b/pages/总复习2023t1.md
@@ -2900,7 +2900,8 @@
 								- ((648d5392-d808-41be-82da-e23934db4f9f))
 							- LATER bi-variate normal distribution
 					- Independence of random variables ![section 3.2.pdf](../assets/section_3.2_1686984934976_0.pdf)
-						-
+						- Definition
+							-
 			- LATER 学积分
 			  :LOGBOOK:
 			  CLOCK: [2023-06-03 Sat 17:05:07]--[2023-06-03 Sat 17:05:08] =>  00:00:01