diff --git a/assets/section_3.1_1686980736370_0.edn b/assets/section_3.1_1686980736370_0.edn
index cdce45b..97de891 100644
--- a/assets/section_3.1_1686980736370_0.edn
+++ b/assets/section_3.1_1686980736370_0.edn
@@ -33,5 +33,17 @@
                           :rects (),
                           :page 8},
                :content {:text "[:span]", :image 1686981496480},
+               :properties {:color "yellow"}}
+              {:id #uuid "648d4dce-72e2-4d0b-a70e-fefaa2b1ee4c",
+               :page 10,
+               :position {:bounding {:x1 45,
+                                     :y1 143.5830078125,
+                                     :x2 693,
+                                     :y2 418.5830078125,
+                                     :width 725.67,
+                                     :height 544.252},
+                          :rects (),
+                          :page 10},
+               :content {:text "[:span]", :image 1686982093041},
                :properties {:color "yellow"}}],
  :extra {:page 10}}
diff --git a/assets/section_3.1_1686980736370_0/10_648d4dce-72e2-4d0b-a70e-fefaa2b1ee4c_1686982093041.png b/assets/section_3.1_1686980736370_0/10_648d4dce-72e2-4d0b-a70e-fefaa2b1ee4c_1686982093041.png
new file mode 100644
index 0000000..cb9b29a
Binary files /dev/null and b/assets/section_3.1_1686980736370_0/10_648d4dce-72e2-4d0b-a70e-fefaa2b1ee4c_1686982093041.png differ
diff --git a/pages/hls__section_3.1_1686980736370_0.md b/pages/hls__section_3.1_1686980736370_0.md
index b106301..3473510 100644
--- a/pages/hls__section_3.1_1686980736370_0.md
+++ b/pages/hls__section_3.1_1686980736370_0.md
@@ -21,4 +21,11 @@ file-path:: ../assets/section_3.1_1686980736370_0.pdf
   hl-color:: yellow
   id:: 648d4b7a-64fa-4e2a-a5db-4970c647527c
   hl-type:: area
-  hl-stamp:: 1686981496480
\ No newline at end of file
+  hl-stamp:: 1686981496480
+- [:span]
+  ls-type:: annotation
+  hl-page:: 10
+  hl-color:: yellow
+  id:: 648d4dce-72e2-4d0b-a70e-fefaa2b1ee4c
+  hl-type:: area
+  hl-stamp:: 1686982093041
\ No newline at end of file
diff --git a/pages/总复习2023t1.md b/pages/总复习2023t1.md
index 0008807..2e62932 100644
--- a/pages/总复习2023t1.md
+++ b/pages/总复习2023t1.md
@@ -2872,7 +2872,8 @@
 								- ((648d4b39-6c56-4dd6-af90-c3e1e81e90ff))
 								- Marginal Distribution:
 									- ((648d4b7a-64fa-4e2a-a5db-4970c647527c))
-								-
+									- LATER Examples
+										-
 			- LATER 学积分
 			  :LOGBOOK:
 			  CLOCK: [2023-06-03 Sat 17:05:07]--[2023-06-03 Sat 17:05:08] =>  00:00:01