diff --git a/assets/section_1.6_1686904326481_0.edn b/assets/section_1.6_1686904326481_0.edn
index c23b141..e396b48 100644
--- a/assets/section_1.6_1686904326481_0.edn
+++ b/assets/section_1.6_1686904326481_0.edn
@@ -14,5 +14,39 @@
                                    :height 453.54333333333324}),
                           :page 4},
                :content {:text "Independence of Two Events"},
-               :properties {:color "blue"}}],
- :extra {:page 9}}
+               :properties {:color "blue"}}
+              {:id #uuid "648c1e7c-ce3f-4aea-bff6-4d35373becbb",
+               :page 12,
+               :position {:bounding {:x1 14.173179626464844,
+                                     :y1 13.255218505859375,
+                                     :x2 337.1776657104492,
+                                     :y2 39.921844482421875,
+                                     :width 604.7249999999999,
+                                     :height 453.54333333333324},
+                          :rects ({:x1 14.173179626464844,
+                                   :y1 13.255218505859375,
+                                   :x2 337.1776657104492,
+                                   :y2 39.921844482421875,
+                                   :width 604.7249999999999,
+                                   :height 453.54333333333324}),
+                          :page 12},
+               :content {:text "Independence of Several Events"},
+               :properties {:color "blue"}}
+              {:id #uuid "648c1e9c-3bfe-4ca3-b4c8-e363af9758fa",
+               :page 12,
+               :position {:bounding {:x1 227.61067962646484,
+                                     :y1 202.00521850585938,
+                                     :x2 421.87483978271484,
+                                     :y2 222.00521850585938,
+                                     :width 604.7249999999999,
+                                     :height 453.54333333333324},
+                          :rects ({:x1 227.61067962646484,
+                                   :y1 202.00521850585938,
+                                   :x2 421.87483978271484,
+                                   :y2 222.00521850585938,
+                                   :width 604.7249999999999,
+                                   :height 453.54333333333324}),
+                          :page 12},
+               :content {:text "mutually independent"},
+               :properties {:color "yellow"}}],
+ :extra {:page 12}}
diff --git a/pages/hls__section_1.6_1686904326481_0.md b/pages/hls__section_1.6_1686904326481_0.md
index 17c116d..1c94ad8 100644
--- a/pages/hls__section_1.6_1686904326481_0.md
+++ b/pages/hls__section_1.6_1686904326481_0.md
@@ -5,4 +5,14 @@ file-path:: ../assets/section_1.6_1686904326481_0.pdf
   ls-type:: annotation
   hl-page:: 4
   hl-color:: blue
-  id:: 648c1e25-4336-48ba-bd20-d156a4c8df7a
\ No newline at end of file
+  id:: 648c1e25-4336-48ba-bd20-d156a4c8df7a
+- Independence of Several Events
+  ls-type:: annotation
+  hl-page:: 12
+  hl-color:: blue
+  id:: 648c1e7c-ce3f-4aea-bff6-4d35373becbb
+- mutually independent
+  ls-type:: annotation
+  hl-page:: 12
+  hl-color:: yellow
+  id:: 648c1e9c-3bfe-4ca3-b4c8-e363af9758fa
\ No newline at end of file
diff --git a/pages/总复习2023t1.md b/pages/总复习2023t1.md
index 05f77c6..0377e98 100644
--- a/pages/总复习2023t1.md
+++ b/pages/总复习2023t1.md
@@ -2676,6 +2676,7 @@
 					- ((648c1b5f-f72c-495e-8c8a-b184c8682d74))
 					- ((648c1bb4-f300-43f1-a55f-ca859720ee6b))
 					- ((648c1e25-4336-48ba-bd20-d156a4c8df7a)) ![section 1.6.pdf](../assets/section_1.6_1686904326481_0.pdf)
+					- ((648c1e7c-ce3f-4aea-bff6-4d35373becbb))
 			- LATER 学积分
 			  :LOGBOOK:
 			  CLOCK: [2023-06-03 Sat 17:05:07]--[2023-06-03 Sat 17:05:08] =>  00:00:01