diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index 63b57bc..62bb0e9 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -73,14 +73,26 @@
             "state": {
               "type": "markdown",
               "state": {
-                "file": "00. Inbox/00. Inbox/C++20, How Hard Could It Be.md",
+                "file": "00. Inbox/00. Inbox/A cheatsheet of modern C++ language and library features.md",
+                "mode": "source",
+                "source": true
+              }
+            }
+          },
+          {
+            "id": "0e402611b1e5f832",
+            "type": "leaf",
+            "state": {
+              "type": "markdown",
+              "state": {
+                "file": "00. Inbox/00. Inbox/Modern C++ The good parts.md",
                 "mode": "source",
                 "source": true
               }
             }
           }
         ],
-        "currentTab": 5
+        "currentTab": 6
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     "direction": "vertical"
@@ -138,7 +150,7 @@
             "state": {
               "type": "backlink",
               "state": {
-                "file": "00. Inbox/00. Inbox/C++20, How Hard Could It Be.md",
+                "file": "00. Inbox/00. Inbox/Modern C++ The good parts.md",
                 "collapseAll": false,
                 "extraContext": false,
                 "sortOrder": "alphabetical",
@@ -155,7 +167,7 @@
             "state": {
               "type": "outline",
               "state": {
-                "file": "00. Inbox/00. Inbox/C++20, How Hard Could It Be.md"
+                "file": "00. Inbox/00. Inbox/Modern C++ The good parts.md"
               }
             }
           }
@@ -183,8 +195,10 @@
     "direction": "horizontal",
     "width": 319.5
   },
-  "active": "1dc35f01de34f9cb",
+  "active": "0e402611b1e5f832",
   "lastOpenFiles": [
+    "00. Inbox/00. Inbox/A cheatsheet of modern C++ language and library features.md",
+    "00. Inbox/00. Inbox/C++20, How Hard Could It Be.md",
     "00. Inbox/00. Inbox/Modern C++ use in Chromium.md",
     "00. Inbox/00. Inbox/FFMPEG 收集.md",
     "00. Inbox/00. Inbox/列出所有 USB 裝置.md",
@@ -192,8 +206,6 @@
     "00. Inbox/00. Inbox.md",
     "05. 資料收集/軟體工具/git/tag.md",
     "05. 資料收集/Tool Setup/Software/Windows 10 Setup.md",
-    "00. Inbox/01. TODO.md",
-    "01. 個人/00. Informations/Datas.md",
-    "00. Inbox/03. Mind Map.md"
+    "00. Inbox/01. TODO.md"
   ]
 }
\ No newline at end of file
diff --git a/00. Inbox/00. Inbox/Modern C++ The good parts.md b/00. Inbox/00. Inbox/Modern C++ The good parts.md
new file mode 100644
index 0000000..416174b
--- /dev/null
+++ b/00. Inbox/00. Inbox/Modern C++ The good parts.md	
@@ -0,0 +1,7 @@
+1. Use std::shared_ptr & std::unique_ptr
+2. Use std::array or std::vector
+3. Use structured binding & std::tuple
+4. Use for (auto& elem : collector)
+5. Use std::format
+6. Use std::optional
+7. 
\ No newline at end of file