diff --git a/Netch/Forms/MainForm.cs b/Netch/Forms/MainForm.cs
index e82cc9de..0b4ff10b 100644
--- a/Netch/Forms/MainForm.cs
+++ b/Netch/Forms/MainForm.cs
@@ -1225,7 +1225,14 @@ namespace Netch.Forms
         }
         public void NatTypeStatusText(string text)
         {
-            NatTypeStatusLabel.Text = "NatType:" + text;
+            if (!string.IsNullOrWhiteSpace(text))
+            {
+                NatTypeStatusLabel.Text = "NAT" + Utils.i18N.Translate(": ") + text;
+            }
+            else
+            {
+                NatTypeStatusLabel.Text = "NAT" + Utils.i18N.Translate(": ") + Utils.i18N.Translate("Test failed");
+            }
         }
     }
 }
diff --git a/Netch/Resources/zh-CN b/Netch/Resources/zh-CN
index 5d5a581f..415c27b9 100644
--- a/Netch/Resources/zh-CN
+++ b/Netch/Resources/zh-CN
@@ -26,6 +26,7 @@
     "Starting netfilter2 Service": "正在启动netfilter2服务",
     "Starting dns2tcp Service": "正在启动dns2tcp服务",
     "SetupBypass": "设置绕行规则",
+    "Test failed": "测试失败",
 
     "Server": "服务器",
     "Import Servers From Clipboard": "从剪贴板导入服务器",