diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index 38918a9..9631e17 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -25,6 +25,21 @@
           {
             "id": "a699df623da488e3",
             "type": "leaf",
+            "state": {
+              "type": "markdown",
+              "state": {
+                "file": "Collection/连~都忘记了的小知识.md",
+                "mode": "source",
+                "source": false,
+                "backlinks": false
+              },
+              "icon": "lucide-file",
+              "title": "连~都忘记了的小知识"
+            }
+          },
+          {
+            "id": "bb684fcfc9ac7ba6",
+            "type": "leaf",
             "state": {
               "type": "markdown",
               "state": {
@@ -38,7 +53,7 @@
             }
           }
         ],
-        "currentTab": 1
+        "currentTab": 2
       }
     ],
     "direction": "vertical"
@@ -262,13 +277,14 @@
       "remotely-save:Remotely Save": false
     }
   },
-  "active": "a699df623da488e3",
+  "active": "bb684fcfc9ac7ba6",
   "lastOpenFiles": [
+    "YueQian/相关网站.md",
+    "Collection/连~都忘记了的小知识.md",
+    "Diary/2026-2/2026-2-3 周二.md",
     "YueQian/Homework/~$2.3作业.docx",
     "YueQian/Homework/2.3作业.docx",
     "YueQian/Homework/d94bc2621da31bd2a2cdb32f2900b975.par.temp",
-    "YueQian/相关网站.md",
-    "Diary/2026-2/2026-2-3 周二.md",
     "Collection/KMP算法.md",
     "YueQian/Homework/~WRL0004.tmp",
     "BlogWebsite/Article/Obsidian使用飞牛WebDAV实现多端同步.md",
@@ -282,7 +298,6 @@
     "Diary/2026-2/2026-2-1 周日.md",
     "Diary/2026-2",
     "YueQian/Homework/~WRL3723.tmp",
-    "YueQian/Homework/~WRD3715.tmp",
     "Diary/2026-1/2026-1-23 周五.md",
     "Diary/2026-1/2026-1-22 周四.md",
     "Diary/2026-1/2026-1-21 周三.md",
@@ -298,7 +313,6 @@
     "YueQian/Homework/assets/1-29/file-20260129201415992.png",
     "Diary/2026-1/2026-1-29 周四.md",
     "Diary/2026-1/2026-1-28 周三.md",
-    "Collection/连~都忘记了的小知识.md",
     "Excalidraw/Drawing 20260122.md",
     "Diary/2026-1/2026-1-27 周二.md",
     "Diary/2026-1/2026-1-26 周一.md",
diff --git a/Collection/连~都忘记了的小知识.md b/Collection/连~都忘记了的小知识.md
index bc248f9..f4b22f9 100644
--- a/Collection/连~都忘记了的小知识.md
+++ b/Collection/连~都忘记了的小知识.md
@@ -41,4 +41,5 @@ switch (num)
 		break;
 }
 ```
-- 函数的名称与数组的名称一样，是函数的首地址
\ No newline at end of file
+- 函数的名称与数组的名称一样，是函数的首地址
+- `a[i][j] ≡ *(*(a+i)+j) ≡ *(a[i]+j) ≡ (*(a+i))[j]`
\ No newline at end of file