diff --git a/src/main/java/com/ai/da/python/PythonService.java b/src/main/java/com/ai/da/python/PythonService.java
index a378d624..67e2227b 100644
--- a/src/main/java/com/ai/da/python/PythonService.java
+++ b/src/main/java/com/ai/da/python/PythonService.java
@@ -263,7 +263,7 @@ public class PythonService {
 
             DesignPythonObject pythonObject = createDesignPythonObject(elementVO, designPictureType, systemScale, singleOverall, switchCategory);
             objects.add(pythonObject);
-            redisUtil.addProcessId(processId, i);
+            redisUtil.addProcessId(processId, i + 1);
         }
         return designPythonObjects;
     }