diff --git a/.obsidian/plugins/obsidian-quiet-outline/markdown-states.json b/.obsidian/plugins/obsidian-quiet-outline/markdown-states.json
index 48218ac..673ede8 100644
--- a/.obsidian/plugins/obsidian-quiet-outline/markdown-states.json
+++ b/.obsidian/plugins/obsidian-quiet-outline/markdown-states.json
@@ -97,12 +97,12 @@
   "Record/CS231N/正则化与优化.md": {
     "cursor": {
       "from": {
-        "line": 10,
-        "ch": 6
+        "line": 12,
+        "ch": 0
       },
       "to": {
-        "line": 10,
-        "ch": 6
+        "line": 12,
+        "ch": 0
       }
     },
     "expandedKeys": [
diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index 52b1139..525d459 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -28,7 +28,7 @@
               "type": "markdown",
               "state": {
                 "file": "Record/CS231N/正则化与优化.md",
-                "mode": "preview",
+                "mode": "source",
                 "source": false
               },
               "icon": "lucide-file",
@@ -179,8 +179,8 @@
             "state": {
               "type": "advanced-tables-toolbar",
               "state": {},
-              "icon": "lucide-file",
-              "title": "Plugin no longer active"
+              "icon": "lucide-ghost",
+              "title": "advanced-tables-toolbar"
             }
           },
           {
@@ -209,10 +209,9 @@
       "bases:新建数据库": false,
       "oz-clear-unused-images:Clear Unused Images": false,
       "table-editor-obsidian:Advanced Tables Toolbar": false,
+      "obsidian-excalidraw-plugin:新建绘图文件": false,
       "notion-like-tables:Create loom": false,
-      "obsidian-git:Open Git source control": false,
-      "obsidian-excalidraw-plugin:New drawing": false,
-      "obsidian-excalidraw-plugin:新建绘图文件": false
+      "obsidian-git:Open Git source control": false
     }
   },
   "active": "3e4570c564af2e25",
diff --git a/Record/CS231N/正则化与优化.md b/Record/CS231N/正则化与优化.md
index 864cae5..0c728c5 100644
--- a/Record/CS231N/正则化与优化.md
+++ b/Record/CS231N/正则化与优化.md
@@ -9,4 +9,5 @@
 
 ## TODO
 - [ ] Jacobian Metrics
+- [ ] 第八讲细听