diff --git a/.obsidian/app.json b/.obsidian/app.json
index 9df278c..3967e97 100644
--- a/.obsidian/app.json
+++ b/.obsidian/app.json
@@ -1,7 +1,7 @@
 {
   "livePreview": true,
   "defaultViewMode": "preview",
-  "showLineNumber": false,
+  "showLineNumber": true,
   "promptDelete": false,
   "newFileLocation": "folder",
   "attachmentFolderPath": "YueQian/assets/相关网站",
diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index 4953bca..5f2bf3b 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -50,9 +50,24 @@
               "icon": "lucide-file",
               "title": "2026-1-30 周五"
             }
+          },
+          {
+            "id": "a369595af6085f14",
+            "type": "leaf",
+            "state": {
+              "type": "markdown",
+              "state": {
+                "file": "YueQian/Homework/1-29作业.md",
+                "mode": "preview",
+                "source": false,
+                "backlinks": false
+              },
+              "icon": "lucide-file",
+              "title": "1-29作业"
+            }
           }
         ],
-        "currentTab": 1
+        "currentTab": 3
       }
     ],
     "direction": "vertical"
@@ -119,12 +134,13 @@
             "state": {
               "type": "outline",
               "state": {
+                "file": "YueQian/Homework/1-29作业.md",
                 "followCursor": true,
                 "showSearch": false,
                 "searchQuery": ""
               },
               "icon": "lucide-list",
-              "title": "大纲"
+              "title": "1-29作业 的大纲"
             }
           },
           {
@@ -275,11 +291,12 @@
       "remotely-save:Remotely Save": false
     }
   },
-  "active": "d5ce527af41ff15e",
+  "active": "a369595af6085f14",
   "lastOpenFiles": [
+    "YueQian/Homework/1.19-已完成.md",
     "YueQian/Homework/1-29作业.md",
-    "YueQian/相关网站.md",
     "Diary/2026-1/2026-1-30 周五.md",
+    "YueQian/相关网站.md",
     "YueQian/Homework/1-29.md",
     "YueQian/Homework/assets/1-29/file-20260129210143912.png",
     "YueQian/Homework/assets/1-29/file-20260129202925505.png",
@@ -315,7 +332,6 @@
     "Diary/2026-1/2026-1-21 周三.md",
     "Diary/2026-1/2026-1-20 周二.md",
     "Diary/2026-1/2026-1-19 周一.md",
-    "Collection/PID控制算法.md",
     "Excalidraw/Untitled.canvas",
     "Article/Studyroad/vivado_ip_img/IPCore10.png",
     "Article/Studyroad/vivado_ip_img/IPCore07.png",