diff --git a/Assets/Temp/Scripts/Scenariopage.cs b/Assets/Temp/Scripts/Scenariopage.cs
index e603cf72..77d26533 100644
--- a/Assets/Temp/Scripts/Scenariopage.cs
+++ b/Assets/Temp/Scripts/Scenariopage.cs
@@ -217,7 +217,7 @@ public class Scenariopage : MonoBehaviour
     //public Dropdown Dropdown_frequency;//无线电干扰的频率选项框
     public string frequ;//接收选项框文本id
     public Text frequency_text;//无线电选项框显示文本
-    public string drive;
+    public string drive ="0";
     public Toggle Toggle_Drive;//驱离选项
     //public Text drive_text;//驱离文本
     public Toggle Toggle_Crash;//迫降选项