diff --git a/assets/section_3.3_1686986508823_0.edn b/assets/section_3.3_1686986508823_0.edn
index f76a650..b08c83e 100644
--- a/assets/section_3.3_1686986508823_0.edn
+++ b/assets/section_3.3_1686986508823_0.edn
@@ -21,5 +21,17 @@
                           :rects (),
                           :page 7},
                :content {:text "[:span]", :image 1686988425935},
+               :properties {:color "yellow"}}
+              {:id #uuid "648d687d-97c6-415f-8bd0-5ea0b9ac7576",
+               :page 12,
+               :position {:bounding {:x1 34,
+                                     :y1 132.16650390625,
+                                     :x2 689,
+                                     :y2 428.16650390625,
+                                     :width 725.67,
+                                     :height 544.252},
+                          :rects (),
+                          :page 12},
+               :content {:text "[:span]", :image 1686988924800},
                :properties {:color "yellow"}}],
- :extra {:page 11}}
+ :extra {:page 13}}
diff --git a/assets/section_3.3_1686986508823_0/12_648d687d-97c6-415f-8bd0-5ea0b9ac7576_1686988924800.png b/assets/section_3.3_1686986508823_0/12_648d687d-97c6-415f-8bd0-5ea0b9ac7576_1686988924800.png
new file mode 100644
index 0000000..15682f7
Binary files /dev/null and b/assets/section_3.3_1686986508823_0/12_648d687d-97c6-415f-8bd0-5ea0b9ac7576_1686988924800.png differ
diff --git a/pages/hls__section_3.3_1686986508823_0.md b/pages/hls__section_3.3_1686986508823_0.md
index 20a9cf6..b7773b4 100644
--- a/pages/hls__section_3.3_1686986508823_0.md
+++ b/pages/hls__section_3.3_1686986508823_0.md
@@ -14,4 +14,11 @@ file-path:: ../assets/section_3.3_1686986508823_0.pdf
   hl-color:: yellow
   id:: 648d668a-02de-4e33-b5fe-b78b25a57b78
   hl-type:: area
-  hl-stamp:: 1686988425935
\ No newline at end of file
+  hl-stamp:: 1686988425935
+- [:span]
+  ls-type:: annotation
+  hl-page:: 12
+  hl-color:: yellow
+  id:: 648d687d-97c6-415f-8bd0-5ea0b9ac7576
+  hl-type:: area
+  hl-stamp:: 1686988924800
\ No newline at end of file
diff --git a/pages/总复习2023t1.md b/pages/总复习2023t1.md
index 4544699..e5cee7f 100644
--- a/pages/总复习2023t1.md
+++ b/pages/总复习2023t1.md
@@ -2922,6 +2922,8 @@
 								- ((648d6291-12ed-4dfb-8ade-42556f17d91a))
 							- Example: ((648d668a-02de-4e33-b5fe-b78b25a57b78))
 						- Continuous case
+							- Definition:
+								- ((648d687d-97c6-415f-8bd0-5ea0b9ac7576))
 							-
 			- LATER 学积分
 			  :LOGBOOK: