diff --git a/config.example.json b/config.example.json
index 12dc47316..987db39a9 100644
--- a/config.example.json
+++ b/config.example.json
@@ -2,7 +2,7 @@
   "agents": {
     "defaults": {
       "workspace": "~/.picoclaw/workspace",
-      "model": "glm-4.7",
+      "model": "openrouter",
       "max_tokens": 8192,
       "temperature": 0.7,
       "max_tool_iterations": 20
@@ -10,13 +10,13 @@
   },
   "channels": {
     "telegram": {
-      "enabled": false,
-      "token": "YOUR_TELEGRAM_BOT_TOKEN",
-      "allow_from": ["YOUR_USER_ID"]
+      "enabled": true,
+      "token": "${TELEGRAM_BOT_TOKEN}",
+      "allow_from": ["${TELEGRAM_CHAT_ID}"]
     },
     "discord": {
       "enabled": false,
-      "token": "YOUR_DISCORD_BOT_TOKEN",
+      "token": "",
       "allow_from": []
     },
     "maixcam": {
@@ -27,7 +27,7 @@
     },
     "whatsapp": {
       "enabled": false,
-      "bridge_url": "ws://localhost:3001",
+      "bridge_url": "",
       "allow_from": []
     },
     "feishu": {
@@ -40,51 +40,27 @@
     },
     "dingtalk": {
       "enabled": false,
-      "client_id": "YOUR_CLIENT_ID",
-      "client_secret": "YOUR_CLIENT_SECRET",
+      "client_id": "",
+      "client_secret": "",
       "allow_from": []
     },
     "slack": {
       "enabled": false,
-      "bot_token": "xoxb-YOUR-BOT-TOKEN",
-      "app_token": "xapp-YOUR-APP-TOKEN",
+      "bot_token": "",
+      "app_token": "",
       "allow_from": []
     }
   },
   "providers": {
-    "anthropic": {
-      "api_key": "",
-      "api_base": ""
-    },
-    "openai": {
-      "api_key": "",
-      "api_base": ""
-    },
     "openrouter": {
-      "api_key": "sk-or-v1-xxx",
-      "api_base": ""
-    },
-    "groq": {
-      "api_key": "gsk_xxx",
-      "api_base": ""
-    },
-    "zhipu": {
-      "api_key": "YOUR_ZHIPU_API_KEY",
-      "api_base": ""
-    },
-    "gemini": {
-      "api_key": "",
-      "api_base": ""
-    },
-    "vllm": {
-      "api_key": "",
+      "api_key": "${OPENROUTER_API_KEY}",
       "api_base": ""
     }
   },
   "tools": {
     "web": {
       "search": {
-        "api_key": "YOUR_BRAVE_API_KEY",
+        "api_key": "${BRAVE_API_KEY}",
         "max_results": 5
       }
     }