diff --git a/assets/section_3.1_1686980736370_0.edn b/assets/section_3.1_1686980736370_0.edn
index e40e116..c6ef9e0 100644
--- a/assets/section_3.1_1686980736370_0.edn
+++ b/assets/section_3.1_1686980736370_0.edn
@@ -57,5 +57,17 @@
                           :rects (),
                           :page 11},
                :content {:text "[:span]", :image 1686982102212},
+               :properties {:color "yellow"}}
+              {:id #uuid "648d4f01-6942-43ea-b5a1-159b99d49d7a",
+               :page 14,
+               :position {:bounding {:x1 40,
+                                     :y1 121.16650390625,
+                                     :x2 688,
+                                     :y2 463.16650390625,
+                                     :width 725.67,
+                                     :height 544.252},
+                          :rects (),
+                          :page 14},
+               :content {:text "[:span]", :image 1686982400841},
                :properties {:color "yellow"}}],
- :extra {:page 14}}
+ :extra {:page 15}}
diff --git a/assets/section_3.1_1686980736370_0/14_648d4f01-6942-43ea-b5a1-159b99d49d7a_1686982400841.png b/assets/section_3.1_1686980736370_0/14_648d4f01-6942-43ea-b5a1-159b99d49d7a_1686982400841.png
new file mode 100644
index 0000000..3098a80
Binary files /dev/null and b/assets/section_3.1_1686980736370_0/14_648d4f01-6942-43ea-b5a1-159b99d49d7a_1686982400841.png differ
diff --git a/pages/hls__section_3.1_1686980736370_0.md b/pages/hls__section_3.1_1686980736370_0.md
index c893a09..5eee3f3 100644
--- a/pages/hls__section_3.1_1686980736370_0.md
+++ b/pages/hls__section_3.1_1686980736370_0.md
@@ -35,4 +35,11 @@ file-path:: ../assets/section_3.1_1686980736370_0.pdf
   hl-color:: yellow
   id:: 648d4dd7-6ecc-479d-bd1e-0280c9bb7155
   hl-type:: area
-  hl-stamp:: 1686982102212
\ No newline at end of file
+  hl-stamp:: 1686982102212
+- [:span]
+  ls-type:: annotation
+  hl-page:: 14
+  hl-color:: yellow
+  id:: 648d4f01-6942-43ea-b5a1-159b99d49d7a
+  hl-type:: area
+  hl-stamp:: 1686982400841
\ No newline at end of file
diff --git a/pages/总复习2023t1.md b/pages/总复习2023t1.md
index 126b3d2..f577180 100644
--- a/pages/总复习2023t1.md
+++ b/pages/总复习2023t1.md
@@ -2880,6 +2880,7 @@
 								  collapsed:: true
 									- ((648d4dd7-6ecc-479d-bd1e-0280c9bb7155))
 						- Discrete random vectors
+							- JPF :-> ((648d4f01-6942-43ea-b5a1-159b99d49d7a))
 							-
 			- LATER 学积分
 			  :LOGBOOK: