diff --git a/assets/section_2.5_1686968005870_0.edn b/assets/section_2.5_1686968005870_0.edn
index cd2fe50..e246646 100644
--- a/assets/section_2.5_1686968005870_0.edn
+++ b/assets/section_2.5_1686968005870_0.edn
@@ -93,5 +93,17 @@
                           :rects (),
                           :page 25},
                :content {:text "[:span]", :image 1686972547449},
+               :properties {:color "yellow"}}
+              {:id #uuid "648d2931-ae90-414a-b12c-e19aa1c534fc",
+               :page 30,
+               :position {:bounding {:x1 38,
+                                     :y1 66.76921081542969,
+                                     :x2 631.9973754882812,
+                                     :y2 201.4990234375,
+                                     :width 677.2919999999999,
+                                     :height 507.96853333333326},
+                          :rects (),
+                          :page 30},
+               :content {:text "[:span]", :image 1686972726120},
                :properties {:color "yellow"}}],
- :extra {:page 30}}
+ :extra {:page 33}}
diff --git a/assets/section_2.5_1686968005870_0/30_648d2931-ae90-414a-b12c-e19aa1c534fc_1686972726120.png b/assets/section_2.5_1686968005870_0/30_648d2931-ae90-414a-b12c-e19aa1c534fc_1686972726120.png
new file mode 100644
index 0000000..48211b4
Binary files /dev/null and b/assets/section_2.5_1686968005870_0/30_648d2931-ae90-414a-b12c-e19aa1c534fc_1686972726120.png differ
diff --git a/pages/hls__section_2.5_1686968005870_0.md b/pages/hls__section_2.5_1686968005870_0.md
index 3d5b096..ed353d3 100644
--- a/pages/hls__section_2.5_1686968005870_0.md
+++ b/pages/hls__section_2.5_1686968005870_0.md
@@ -56,4 +56,11 @@ file-path:: ../assets/section_2.5_1686968005870_0.pdf
   hl-color:: yellow
   id:: 648d2884-c239-4d00-9b6f-291bf4280dab
   hl-type:: area
-  hl-stamp:: 1686972547449
\ No newline at end of file
+  hl-stamp:: 1686972547449
+- [:span]
+  ls-type:: annotation
+  hl-page:: 30
+  hl-color:: yellow
+  id:: 648d2931-ae90-414a-b12c-e19aa1c534fc
+  hl-type:: area
+  hl-stamp:: 1686972726120
\ No newline at end of file
diff --git a/pages/总复习2023t1.md b/pages/总复习2023t1.md
index 3b810b3..d8db5b1 100644
--- a/pages/总复习2023t1.md
+++ b/pages/总复习2023t1.md
@@ -2822,7 +2822,9 @@
 						- Normal Distribution
 							- Definition #flashcard
 								- ((648d2884-c239-4d00-9b6f-291bf4280dab))
-								-
+							- Properties:
+								- ((648d2931-ae90-414a-b12c-e19aa1c534fc))
+							-
 			- LATER 学积分
 			  :LOGBOOK:
 			  CLOCK: [2023-06-03 Sat 17:05:07]--[2023-06-03 Sat 17:05:08] =>  00:00:01