diff --git a/.obsidian/workspace b/.obsidian/workspace
index 8525f8e..126828e 100644
--- a/.obsidian/workspace
+++ b/.obsidian/workspace
@@ -9,8 +9,8 @@
         "state": {
           "type": "markdown",
           "state": {
-            "file": "02. PARA/03. Resources（資源）/C++17/Structured binding declaration.md",
-            "mode": "source",
+            "file": "00. TOP/01. TODO.md",
+            "mode": "preview",
             "source": true
           }
         }
@@ -69,7 +69,7 @@
             "state": {
               "type": "backlink",
               "state": {
-                "file": "02. PARA/03. Resources（資源）/C++17/Structured binding declaration.md",
+                "file": "00. TOP/01. TODO.md",
                 "collapseAll": false,
                 "extraContext": false,
                 "sortOrder": "alphabetical",
@@ -86,7 +86,7 @@
             "state": {
               "type": "outline",
               "state": {
-                "file": "02. PARA/03. Resources（資源）/C++17/Structured binding declaration.md"
+                "file": "00. TOP/01. TODO.md"
               }
             }
           }
@@ -116,9 +116,9 @@
   },
   "active": "cfe19fa2de06a1e6",
   "lastOpenFiles": [
+    "00. TOP/01. TODO.md",
     "02. PARA/03. Resources（資源）/C++17/Structured binding declaration.md",
     "02. PARA/03. Resources（資源）/Tool Setup/Chrome.md",
-    "00. TOP/01. TODO.md",
     "02. PARA/03. Resources（資源）/買書清單.md",
     "02. PARA/03. Resources（資源）/量子電腦.md",
     "02. PARA/03. Resources（資源）/財經.md",
diff --git a/00. TOP/01. TODO.md b/00. TOP/01. TODO.md
index 63a3911..b36bf3c 100644
--- a/00. TOP/01. TODO.md	
+++ b/00. TOP/01. TODO.md	
@@ -14,6 +14,8 @@
         - [multithreading - C++ reference wrapper as function argument - Stack Overflow](https://stackoverflow.com/questions/70516557/c-reference-wrapper-as-function-argument)
         - [c++ - Why does passing object reference arguments to thread function fails to compile? - Stack Overflow](https://stackoverflow.com/questions/8299545/why-does-passing-object-reference-arguments-to-thread-function-fails-to-compile)
     - [ ] 好用的`std::optional` 🛫 2022-07-06
+- 試試看
+    - [ ] [將照片隱藏在另一張照片中](https://avestura.dev/blog/hide-a-photo-inside-another-photo)
 
 # WORK
 ## Logitech