diff --git a/assets/section_2.3_1686916498071_0.edn b/assets/section_2.3_1686916498071_0.edn
index 00daa9b..2b5caf4 100644
--- a/assets/section_2.3_1686916498071_0.edn
+++ b/assets/section_2.3_1686916498071_0.edn
@@ -122,5 +122,17 @@
                           :rects (),
                           :page 32},
                :content {:text "[:span]", :image 1686919183374},
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+               :page 34,
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+                          :rects (),
+                          :page 34},
+               :content {:text "[:span]", :image 1686919553799},
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diff --git a/assets/section_2.3_1686916498071_0/34_648c5982-4b4f-4935-ad4f-de93462bc564_1686919553799.png b/assets/section_2.3_1686916498071_0/34_648c5982-4b4f-4935-ad4f-de93462bc564_1686919553799.png
new file mode 100644
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diff --git a/pages/hls__section_2.3_1686916498071_0.md b/pages/hls__section_2.3_1686916498071_0.md
index ffca4d6..4f375ec 100644
--- a/pages/hls__section_2.3_1686916498071_0.md
+++ b/pages/hls__section_2.3_1686916498071_0.md
@@ -68,4 +68,11 @@ file-path:: ../assets/section_2.3_1686916498071_0.pdf
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   hl-type:: area
-  hl-stamp:: 1686919183374
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+  hl-stamp:: 1686919183374
+- [:span]
+  ls-type:: annotation
+  hl-page:: 34
+  hl-color:: yellow
+  id:: 648c5982-4b4f-4935-ad4f-de93462bc564
+  hl-type:: area
+  hl-stamp:: 1686919553799
\ No newline at end of file
diff --git a/pages/总复习2023t1.md b/pages/总复习2023t1.md
index 2d04207..9af666c 100644
--- a/pages/总复习2023t1.md
+++ b/pages/总复习2023t1.md
@@ -2741,7 +2741,8 @@
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 								- Standard variance: ((648c57e8-e79a-48b6-98cf-f68dc0e5277e))
-								-
+								- Properties
+									- ((648c5982-4b4f-4935-ad4f-de93462bc564))
 			- LATER 学积分
 			  :LOGBOOK:
 			  CLOCK: [2023-06-03 Sat 17:05:07]--[2023-06-03 Sat 17:05:08] =>  00:00:01