Update ssr.js

@@ -12,7 +12,7 @@ const {createBundleRenderer} = require('vue-server-renderer');
 const logger = global.yoho.logger;
 const logger = global.yoho.logger;
 const config = global.yoho.config;
 const config = global.yoho.config;
 
 
-const isProd = true || process.env.NODE_ENV === 'production';
+const isProd = process.env.NODE_ENV === 'production';
 const isDev = process.env.NODE_ENV === 'development' || !process.env.NODE_ENV;
 const isDev = process.env.NODE_ENV === 'development' || !process.env.NODE_ENV;
 
 
 let renderer;
 let renderer;