diff --git a/.obsidian/workspace b/.obsidian/workspace
index 2f391ff..ae8cfad 100644
--- a/.obsidian/workspace
+++ b/.obsidian/workspace
@@ -9,7 +9,7 @@
         "state": {
           "type": "markdown",
           "state": {
-            "file": "02. PARA/03. Resources（資源）/Proxmox VE.md",
+            "file": "02. PARA/01. Project（專案）/008. Sentinel.md",
             "mode": "source",
             "source": true
           }
@@ -69,7 +69,7 @@
             "state": {
               "type": "backlink",
               "state": {
-                "file": "02. PARA/03. Resources（資源）/Proxmox VE.md",
+                "file": "02. PARA/01. Project（專案）/008. Sentinel.md",
                 "collapseAll": false,
                 "extraContext": false,
                 "sortOrder": "alphabetical",
@@ -86,7 +86,7 @@
             "state": {
               "type": "outline",
               "state": {
-                "file": "02. PARA/03. Resources（資源）/Proxmox VE.md"
+                "file": "02. PARA/01. Project（專案）/008. Sentinel.md"
               }
             }
           }
@@ -116,8 +116,8 @@
   },
   "active": "ec13ce58b15fa6d4",
   "lastOpenFiles": [
-    "02. PARA/03. Resources（資源）/sqlite.md",
     "02. PARA/03. Resources（資源）/Proxmox VE.md",
+    "02. PARA/03. Resources（資源）/sqlite.md",
     "02. PARA/02. Area（領域）/20150803 - Android/ADB 取得 APK 的 icon.md",
     "02. PARA/03. Resources（資源）/QT/QVariant.md",
     "00. TOP/01. TODO.md",
diff --git a/02. PARA/01. Project（專案）/008. Sentinel.md b/02. PARA/01. Project（專案）/008. Sentinel.md
index ce415f8..c395d7c 100644
--- a/02. PARA/01. Project（專案）/008. Sentinel.md	
+++ b/02. PARA/01. Project（專案）/008. Sentinel.md	
@@ -83,6 +83,9 @@ adb shell setprop debug.webcam.cam.id 1
 # Firmware
 - [PACMAN Firmware build](https://drive.google.com/drive/folders/1wycKlDQv-CHEd_5BZFLwn9ibhTTphOAN)
 - [FIH Firmware build](https://drive.google.com/drive/u/0/folders/1-Pgfttm-tFUdMetCK2WHZH4cXrryydz9)
+- [sentinel-dev](https://logi-analytics.vc.logitech.com/s3?path=vc-sw-release%2FSentinel%2FSystemImage%2Fsentinel-dev%2F)
+    - Download `sentinel-test-keys/sentinel_userdebug_test-keys.7z`
+    - ![[Pasted image 20220812093244.png|400]]
 
 ## Update firmware
 1. 要先備份calibration data，請看 [backup calibration](https://logitech.slack.com/archives/C0230SKKFF1/p1656475361667309)
diff --git a/attachments/Pasted image 20220812093244.png b/attachments/Pasted image 20220812093244.png
new file mode 100644
index 0000000..b4bdea1
Binary files /dev/null and b/attachments/Pasted image 20220812093244.png differ