fix: Dockerfile syntax error in start-openclaw script

Dockerfile

@@ -90,50 +90,50 @@ python3 /usr/local/bin/sync.py restore\n\
 # 清理 API Base 地址\n\
 CLEAN_BASE=\$(echo \"\$OPENAI_API_BASE\" | sed \"s|/chat/completions||g\" | sed \"s|/v1/|/v1|g\" | sed \"s|/v1\$|/v1|g\")\n\
 \n\
-# 处理 MODEL 变量：优先使用 FULL_MODEL_ID，保持灵活性
-if [[ \"\$MODEL\" == */* ]]; then
-  export FULL_MODEL_ID=\"\$MODEL\"
-  export PROVIDER_NAME=\"\${MODEL%%/*}\"
-  export PROVIDER_MODEL_ID=\"\${MODEL#*/}\"
-else
-  export FULL_MODEL_ID=\"\$MODEL\"
-  export PROVIDER_NAME=\"siliconflow\"
-  export PROVIDER_MODEL_ID=\"\$MODEL\"
-fi
-
-# 生成 openclaw.json 配置文件
-cat > /root/.openclaw/openclaw.json <<EOF
-{
-  "models": {
-    "providers": {
-      "\$PROVIDER_NAME": {
-        "baseUrl": "\$CLEAN_BASE",
-        "apiKey": "\$OPENAI_API_KEY",
-        "api": "openai-completions",
-        "models": [{ "id": "\$PROVIDER_MODEL_ID", "name": "Model", "contextWindow": 128000 }]
-      }
-    }
-  },
-  "agents": { "defaults": { "model": { "primary": "\$FULL_MODEL_ID" } } },
-  "gateway": {
-    "mode": "local", "bind": "lan", "port": \$PORT,
-    "trustedProxies": ["0.0.0.0/0", "10.0.0.0/8", "172.16.0.0/12", "192.168.0.0/16"],
-    "auth": { "mode": "token", "token": "\$OPENCLAW_GATEWAY_PASSWORD" },
-    "controlUi": { "allowInsecureAuth": true }
-  },
-  "channels": {
-    "feishu": {
-      "enabled": \${FEISHU_ENABLED:-false},
-      "appId": "\$FEISHU_APP_ID",
-      "appSecret": "\$FEISHU_APP_SECRET",
-      "domain": "\${FEISHU_DOMAIN:-feishu}",
-      "connectionMode": "\${FEISHU_CONNECTION_MODE:-websocket}",
-      "dmPolicy": "open",
-      "ignoreEvents": ["im.message.message_read_v1"]
-    }
-  }
-}
-EOF
+# 处理 MODEL 变量：优先使用 FULL_MODEL_ID，保持灵活性\n\
+if [[ \"\$MODEL\" == */* ]]; then\n\
+  FULL_MODEL_ID=\"\$MODEL\"\n\
+  PROVIDER_NAME=\"\${MODEL%%/*}\"\n\
+  PROVIDER_MODEL_ID=\"\${MODEL#*/}\"\n\
+else\n\
+  FULL_MODEL_ID=\"\$MODEL\"\n\
+  PROVIDER_NAME=\"siliconflow\"\n\
+  PROVIDER_MODEL_ID=\"\$MODEL\"\n\
+fi\n\
+\n\
+# 生成 openclaw.json 配置文件\n\
+cat > /root/.openclaw/openclaw.json <<EOF\n\
+{\n\
+  \"models\": {\n\
+    \"providers\": {\n\
+      \"\$PROVIDER_NAME\": {\n\
+        \"baseUrl\": \"\$CLEAN_BASE\",\n\
+        \"apiKey\": \"\$OPENAI_API_KEY\",\n\
+        \"api\": \"openai-completions\",\n\
+        \"models\": [{ \"id\": \"\$PROVIDER_MODEL_ID\", \"name\": \"Model\", \"contextWindow\": 128000 }]\n\
+      }\n\
+    }\n\
+  },\n\
+  \"agents\": { \"defaults\": { \"model\": { \"primary\": \"\$FULL_MODEL_ID\" } } },\n\
+  \"gateway\": {\n\
+    \"mode\": \"local\", \"bind\": \"lan\", \"port\": \$PORT,\n\
+    \"trustedProxies\": [\"0.0.0.0/0\", \"10.0.0.0/8\", \"172.16.0.0/12\", \"192.168.0.0/16\"],\n\
+    \"auth\": { \"mode\": \"token\", \"token\": \"\$OPENCLAW_GATEWAY_PASSWORD\" },\n\
+    \"controlUi\": { \"allowInsecureAuth\": true }\n\
+  },\n\
+  \"channels\": {\n\
+    \"feishu\": {\n\
+      \"enabled\": \${FEISHU_ENABLED:-false},\n\
+      \"appId\": \"\$FEISHU_APP_ID\",\n\
+      \"appSecret\": \"\$FEISHU_APP_SECRET\",\n\
+      \"domain\": \"\${FEISHU_DOMAIN:-feishu}\",\n\
+      \"connectionMode\": \"\${FEISHU_CONNECTION_MODE:-websocket}\",\n\
+      \"dmPolicy\": \"open\",\n\
+      \"ignoreEvents\": [\"im.message.message_read_v1\"]\n\
+    }\n\
+  }\n\
+}\n\
+EOF\n\
 \n\
 # 启动定时备份进程 (每 3 小时执行一次，增强安全性)\n\
 (while true; do sleep 10800; python3 /usr/local/bin/sync.py backup; done) &\n\