docs: update README.md

docker/docker-compose.yml

@@ -3,10 +3,12 @@ services:
   chatgpt-on-wechat:
     image: zhayujie/chatgpt-on-wechat
     container_name: chatgpt-on-wechat
+    security_opt:
+      - seccomp:unconfined
     environment:
       OPEN_AI_API_KEY: 'YOUR API KEY'
       MODEL: 'gpt-3.5-turbo'
-      OPEN_AI_PROXY: ''
+      PROXY: ''
       SINGLE_CHAT_PREFIX: '["bot", "@bot"]'
       SINGLE_CHAT_REPLY_PREFIX: '"[bot] "'
       GROUP_CHAT_PREFIX: '["@bot"]'