Update Dockerfile

Dockerfile

@@ -21,7 +21,7 @@ RUN npm install -g node-red-dashboard
 RUN npm install -g node-red-contrib-ui-led
 RUN npm install -g node-red-contrib-thingspeak
 RUN npm install -g node-red-contrib-google-calendar
-RUN npm install -g node-red-contrib-opcua @opcua/for-node-red
+RUN npm install -g node-red-contrib-opcua
 
 # 启动 Node-RED 
 CMD ["node-red", "--userDir", "/usr/src/node-red"]