diff --git a/src/lang/zh-CN.json b/src/lang/zh-CN.json
index f455b0a06..5c7deb6a1 100644
--- a/src/lang/zh-CN.json
+++ b/src/lang/zh-CN.json
@@ -528,8 +528,8 @@
     "RadiusCallingStationId": "呼叫方号码（Calling Station Id）",
     "RadiusCallingStationIdDescription": "发出请求的设备的标识",
     "Certificate Expiry Notification": "证书到期时通知",
-    "API Username": "API  用户名",
-    "API Key": "API  密钥",
+    "API Username": "API 用户名",
+    "API Key": "API 密钥",
     "Recipient Number": "收件人手机号码",
     "From Name/Number": "发件人名称/手机号码",
     "Leave blank to use a shared sender number.": "留空以使用平台共享的发件人手机号码。",