diff --git a/Assets/Scripts/UI/Pages/HomePage/HomePageDeviceCtrl.cs b/Assets/Scripts/UI/Pages/HomePage/HomePageDeviceCtrl.cs
index 0b417e5..c34b6bf 100644
--- a/Assets/Scripts/UI/Pages/HomePage/HomePageDeviceCtrl.cs
+++ b/Assets/Scripts/UI/Pages/HomePage/HomePageDeviceCtrl.cs
@@ -100,6 +100,8 @@ namespace Kill.UI.Pages
             else
             {
                 int lensFt=Mathf.RoundToInt((float)(lens * 3.28084));
+                if(lensFt>19)
+                    lensFt=19;
                 lensText.text=lensFt.ToString();
                 lensText.text+="ft";
             }
diff --git a/Assets/Scripts/UI/Pages/HomePage/LensSettingPage.cs b/Assets/Scripts/UI/Pages/HomePage/LensSettingPage.cs
index 9a84389..c63baa6 100644
--- a/Assets/Scripts/UI/Pages/HomePage/LensSettingPage.cs
+++ b/Assets/Scripts/UI/Pages/HomePage/LensSettingPage.cs
@@ -292,6 +292,8 @@ namespace Kill.UI.Pages
             {
                 // 英尺 (1m = 3.28084ft)
                 int feet = Mathf.RoundToInt(selectedLensValue * 3.28084f);
+                if(feet>19)
+                    feet=19;
                 lensText.text = $"{feet}ft";
             }
         }
@@ -346,6 +348,8 @@ namespace Kill.UI.Pages
                     slideSelectors[1].gameObject.SetActive(true);
                     // 将米转换为英尺显示
                     int feet = Mathf.RoundToInt(selectedLensValue * 3.28084f);
+                    if(feet>19)
+                        feet=19;
                     slideSelectors[1].DefaultValue = feet;
                     slideSelectors[1].Initialize();
                 }