diff --git a/backend/Skyeye-sys-dev/skyeye-service-manager/src/main/java/com/zhangy/skyeye/jm/service/impl/JmJobStatusServiceImpl.java b/backend/Skyeye-sys-dev/skyeye-service-manager/src/main/java/com/zhangy/skyeye/jm/service/impl/JmJobStatusServiceImpl.java
index 5f43ec0..21e0233 100644
--- a/backend/Skyeye-sys-dev/skyeye-service-manager/src/main/java/com/zhangy/skyeye/jm/service/impl/JmJobStatusServiceImpl.java
+++ b/backend/Skyeye-sys-dev/skyeye-service-manager/src/main/java/com/zhangy/skyeye/jm/service/impl/JmJobStatusServiceImpl.java
@@ -327,7 +327,7 @@ public class JmJobStatusServiceImpl implements JmJobStatusService {
             distance += uav.getDistance();
             distanced += uav.getDistanced();
         }
-        return distanced * 100 / distance;
+        return (distance == 0) ? 1 : (distanced * 100 / distance);
     }
 
     /**