diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..efe2c66
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+*.un
diff --git a/.obsidian/graph.json b/.obsidian/graph.json
deleted file mode 100644
index 42a46ec..0000000
--- a/.obsidian/graph.json
+++ /dev/null
@@ -1,22 +0,0 @@
-{
-  "collapse-filter": true,
-  "search": "",
-  "showTags": false,
-  "showAttachments": false,
-  "hideUnresolved": false,
-  "showOrphans": true,
-  "collapse-color-groups": true,
-  "colorGroups": [],
-  "collapse-display": true,
-  "showArrow": false,
-  "textFadeMultiplier": 0,
-  "nodeSizeMultiplier": 1,
-  "lineSizeMultiplier": 1,
-  "collapse-forces": true,
-  "centerStrength": 0.518713248970312,
-  "repelStrength": 10,
-  "linkStrength": 1,
-  "linkDistance": 250,
-  "scale": 1,
-  "close": true
-}
\ No newline at end of file
diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index ad96880..9e470a2 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -1,40 +1,20 @@
 {
   "main": {
-    "id": "01ae1788a9e8bf5e",
+    "id": "688ebee9940bbed9",
     "type": "split",
     "children": [
       {
-        "id": "d8d5319d39e57074",
+        "id": "39eaf6e1af46e707",
         "type": "tabs",
         "children": [
           {
-            "id": "a805a936be4a786b",
+            "id": "197b6978d7d47b87",
             "type": "leaf",
             "state": {
-              "type": "markdown",
-              "state": {
-                "file": "比较判别法.md",
-                "mode": "source",
-                "source": false
-              },
-              "icon": "lucide-file",
-              "title": "比较判别法"
-            }
-          }
-        ]
-      },
-      {
-        "id": "4a1f39d5a2a6d1bb",
-        "type": "tabs",
-        "children": [
-          {
-            "id": "0671bdf944826678",
-            "type": "leaf",
-            "state": {
-              "type": "graph",
+              "type": "empty",
               "state": {},
-              "icon": "lucide-git-fork",
-              "title": "关系图谱"
+              "icon": "lucide-file",
+              "title": "新标签页"
             }
           }
         ]
@@ -43,15 +23,15 @@
     "direction": "vertical"
   },
   "left": {
-    "id": "b2389bdcdc7e426b",
+    "id": "c1af8785a65c712a",
     "type": "split",
     "children": [
       {
-        "id": "7e65a51112c649ed",
+        "id": "6fdf114a7805a0d1",
         "type": "tabs",
         "children": [
           {
-            "id": "bc761c2e09afea76",
+            "id": "cd457af850fd87f8",
             "type": "leaf",
             "state": {
               "type": "file-explorer",
@@ -64,7 +44,7 @@
             }
           },
           {
-            "id": "f62f5a8b05c6c544",
+            "id": "35637c338526b5c7",
             "type": "leaf",
             "state": {
               "type": "search",
@@ -81,7 +61,7 @@
             }
           },
           {
-            "id": "2ed3a44c804849d1",
+            "id": "4d466e1b111c0271",
             "type": "leaf",
             "state": {
               "type": "bookmarks",
@@ -97,20 +77,19 @@
     "width": 300
   },
   "right": {
-    "id": "67175f27604e748c",
+    "id": "4707d5c94129c231",
     "type": "split",
     "children": [
       {
-        "id": "a92674a5ddb92db3",
+        "id": "0c52a89c49672c8d",
         "type": "tabs",
         "children": [
           {
-            "id": "ccfbf8ee11dedc47",
+            "id": "2424d5753060a876",
             "type": "leaf",
             "state": {
               "type": "backlink",
               "state": {
-                "file": "欢迎.md",
                 "collapseAll": false,
                 "extraContext": false,
                 "sortOrder": "alphabetical",
@@ -120,25 +99,24 @@
                 "unlinkedCollapsed": true
               },
               "icon": "links-coming-in",
-              "title": "欢迎 的反向链接列表"
+              "title": "反向链接"
             }
           },
           {
-            "id": "65fed3aec93b00a9",
+            "id": "94ced43cdbd2aa97",
             "type": "leaf",
             "state": {
               "type": "outgoing-link",
               "state": {
-                "file": "欢迎.md",
                 "linksCollapsed": false,
                 "unlinkedCollapsed": true
               },
               "icon": "links-going-out",
-              "title": "欢迎 的出链列表"
+              "title": "出链"
             }
           },
           {
-            "id": "27976f4b5e3688f9",
+            "id": "d06d5dc7ea3cb39c",
             "type": "leaf",
             "state": {
               "type": "tag",
@@ -153,7 +131,7 @@
             }
           },
           {
-            "id": "834019b9820c7bec",
+            "id": "d5897304c73710c2",
             "type": "leaf",
             "state": {
               "type": "all-properties",
@@ -167,18 +145,17 @@
             }
           },
           {
-            "id": "f08ec3c7924b47a8",
+            "id": "c2fb9292eaf5b5c7",
             "type": "leaf",
             "state": {
               "type": "outline",
               "state": {
-                "file": "欢迎.md",
                 "followCursor": false,
                 "showSearch": false,
                 "searchQuery": ""
               },
               "icon": "lucide-list",
-              "title": "欢迎 的大纲"
+              "title": "大纲"
             }
           }
         ]
@@ -199,10 +176,6 @@
       "bases:创建新数据库": false
     }
   },
-  "active": "a805a936be4a786b",
-  "lastOpenFiles": [
-    "根值判别法.md",
-    "欢迎.md",
-    "README.md"
-  ]
+  "active": "197b6978d7d47b87",
+  "lastOpenFiles": []
 }
\ No newline at end of file
diff --git a/Chapter 2 极限/其他判别法.docx b/Chapter 2 极限/其他判别法.docx
new file mode 100644
index 0000000..f6d8d1f
Binary files /dev/null and b/Chapter 2 极限/其他判别法.docx differ
diff --git a/根值判别法.md b/Chapter 2 极限/根值判别法.md
similarity index 100%
rename from 根值判别法.md
rename to Chapter 2 极限/根值判别法.md
diff --git a/比较判别法.md b/Chapter 2 极限/比较判别法.md
similarity index 100%
rename from 比较判别法.md
rename to Chapter 2 极限/比较判别法.md