diff --git a/.env.staging b/.env.staging
index 62f158d2..587a1dcf 100644
--- a/.env.staging
+++ b/.env.staging
@@ -14,6 +14,6 @@ VUE_APP_PDOMAIN = 'tanex56'
 VUE_APP_DATA_FROM = 'pc'
 VUE_APP_BASE_API = 'http://tst-api.emis.tanex56.com/api/bizsvr'
 
-VUE_APP_WS_HOST = 'tst-api.emis.tanex56.com/api/bizsvr'
+VUE_APP_WS_HOST = 'ws://test-api.emis.tanex56.com/api/bizsvr'
 
 VUE_APP_PRINTER_HOST = '127.0.0.1:17080'