diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index c314e8f..4dafc96 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -4,61 +4,16 @@
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-                "mode": "source",
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-                "source": false
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@@ -136,7 +91,7 @@
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+                "file": "learn/computer science/opencv/opencv3/学习OpenCV 3（中文版）.pdf",
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@@ -153,7 +108,7 @@
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+                "file": "learn/computer science/opencv/opencv3/学习OpenCV 3（中文版）.pdf",
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@@ -176,7 +131,7 @@
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+                "file": "learn/computer science/opencv/opencv3/学习OpenCV 3（中文版）.pdf"
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@@ -221,14 +176,19 @@
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-    "Knowledge/reading/统计数据会说谎 ([美]达莱尔·哈夫) (Z-Library).epub",
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     "Projects - rabbit's/hardware/硬盘背板/硬盘背板PCB设计.md",
+    "learn/computer science/opencv/opencv3/学习OpenCV 3（中文版）.pdf",
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+    "learn/computer science/统计数据会说谎 ([美]达莱尔·哈夫) (Z-Library).md",
+    "Projects - rabbit's/software/HomeLab/异地组网-网络架构.md",
+    "learn/computer science/opencv/opencv3",
+    "learn/computer science/opencv",
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+    "learn/Untitled",
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diff --git a/.trash/Untitled.md b/.trash/Untitled.md
new file mode 100644
index 0000000..e69de29
diff --git a/.trash/统计数据会说谎 ([美]达莱尔·哈夫) (Z-Library).md b/.trash/统计数据会说谎 ([美]达莱尔·哈夫) (Z-Library).md
new file mode 100644
index 0000000..3407e34
--- /dev/null
+++ b/.trash/统计数据会说谎 ([美]达莱尔·哈夫) (Z-Library).md	
@@ -0,0 +1,35 @@
+---
+bookname: "统计数据会说谎 ([美]达莱尔·哈夫) (Z-Library).epub"
+---
+
+# 封面
+
+# 版权页
+
+# 献辞
+
+# 引言
+
+# 插图
+
+# 第一章 带有偏差的样本
+
+# 第二章 精挑细选的平均数
+
+# 第三章 没有透露的小小数据
+
+# 第四章 无事瞎忙
+
+# 第五章 惊人的图形
+
+# 第六章 一维图形
+
+# 第七章 看似相关的数据
+
+# 第八章 因果颠倒
+
+# 第九章 如何操纵统计
+
+# 第十章 如何反驳统计数据
+
+# 致谢
\ No newline at end of file
diff --git a/learn/computer science/opencv/opencv3/学习OpenCV 3（中文版）.pdf b/learn/computer science/opencv/opencv3/学习OpenCV 3（中文版）.pdf
new file mode 100644
index 0000000..bbc1b7b
Binary files /dev/null and b/learn/computer science/opencv/opencv3/学习OpenCV 3（中文版）.pdf differ