diff --git a/02. PARA/03. Resources（資源）/Trojan.md b/02. PARA/03. Resources（資源）/Trojan.md
index d131c29..754edd2 100644
--- a/02. PARA/03. Resources（資源）/Trojan.md	
+++ b/02. PARA/03. Resources（資源）/Trojan.md	
@@ -24,9 +24,15 @@
 4. Source code: [Releases · trojan-gfw/trojan](https://github.com/trojan-gfw/trojan/releases)
 
 ## 更新憑證
-1. 先停止 trojan-web
+1. 更新acme：`acme.sh --upgrade`
+2. 先停止 trojan-web
     ```bash
     systemctl stop trojan-web
     ```
-2. 停止 trojan，如下圖
-    ![[Pasted image 20220815134750.png|500]]
\ No newline at end of file
+3. 停止 trojan，如下圖
+    ![[Pasted image 20220815134750.png|500]]
+4. 切換到 `/root/.acme.sh`，執行 `./acme.sh --cron -f`，如果憑證更新成功，應該會看到類似如下訊息：
+    ![[Pasted image 20220815135026.png|800]]
+5. 重啟 trojan：
+    ![[Pasted image 20220815135248.png|400]]
+6. 重啟trojan-web：`systemctl start trojan-web`
\ No newline at end of file
diff --git a/attachments/Pasted image 20220815135026.png b/attachments/Pasted image 20220815135026.png
new file mode 100644
index 0000000..e519d03
Binary files /dev/null and b/attachments/Pasted image 20220815135026.png differ
diff --git a/attachments/Pasted image 20220815135248.png b/attachments/Pasted image 20220815135248.png
new file mode 100644
index 0000000..bebbeb3
Binary files /dev/null and b/attachments/Pasted image 20220815135248.png differ