diff --git a/assets/section_2.5_1686968005870_0.edn b/assets/section_2.5_1686968005870_0.edn
index 09fd407..3213273 100644
--- a/assets/section_2.5_1686968005870_0.edn
+++ b/assets/section_2.5_1686968005870_0.edn
@@ -33,5 +33,17 @@
                           :rects (),
                           :page 6},
                :content {:text "[:span]", :image 1686969339492},
+               :properties {:color "yellow"}}
+              {:id #uuid "648d1f39-bc89-4efe-98b3-1c654716cf65",
+               :page 5,
+               :position {:bounding {:x1 43,
+                                     :y1 87.583251953125,
+                                     :x2 543,
+                                     :y2 385.583251953125,
+                                     :width 604.7249999999999,
+                                     :height 453.54333333333324},
+                          :rects (),
+                          :page 5},
+               :content {:text "[:span]", :image 1686970168349},
                :properties {:color "yellow"}}],
- :extra {:page 5}}
+ :extra {:page 8}}
diff --git a/assets/section_2.5_1686968005870_0/5_648d1f39-bc89-4efe-98b3-1c654716cf65_1686970168349.png b/assets/section_2.5_1686968005870_0/5_648d1f39-bc89-4efe-98b3-1c654716cf65_1686970168349.png
new file mode 100644
index 0000000..d1da668
Binary files /dev/null and b/assets/section_2.5_1686968005870_0/5_648d1f39-bc89-4efe-98b3-1c654716cf65_1686970168349.png differ
diff --git a/pages/hls__section_2.5_1686968005870_0.md b/pages/hls__section_2.5_1686968005870_0.md
index 844f19b..dfc77d9 100644
--- a/pages/hls__section_2.5_1686968005870_0.md
+++ b/pages/hls__section_2.5_1686968005870_0.md
@@ -21,4 +21,11 @@ file-path:: ../assets/section_2.5_1686968005870_0.pdf
   hl-color:: yellow
   id:: 648d1bfd-fcfb-43ed-801e-0de972c24cb1
   hl-type:: area
-  hl-stamp:: 1686969339492
\ No newline at end of file
+  hl-stamp:: 1686969339492
+- [:span]
+  ls-type:: annotation
+  hl-page:: 5
+  hl-color:: yellow
+  id:: 648d1f39-bc89-4efe-98b3-1c654716cf65
+  hl-type:: area
+  hl-stamp:: 1686970168349
\ No newline at end of file
diff --git a/pages/总复习2023t1.md b/pages/总复习2023t1.md
index 973c892..9c0838d 100644
--- a/pages/总复习2023t1.md
+++ b/pages/总复习2023t1.md
@@ -2820,7 +2820,7 @@
 						- Uniform Distribution
 							- Definition, pdf and df :-> ((648d1aea-71f3-473b-8e72-d1ee4e629a91))
 							- ((648d1b0d-fdbf-4373-84a8-a072590881a1))
-							- Standard distribution ((648d1b0d-fdbf-4373-84a8-a072590881a1))
+							- Standard distribution ((648d1f39-bc89-4efe-98b3-1c654716cf65))
 							- Properties
 								- mean and variance :-> ((648d1bfd-fcfb-43ed-801e-0de972c24cb1))
 							- Example