diff --git a/src/main/java/com/lz/modules/app/controller/ResultRecordController.java b/src/main/java/com/lz/modules/app/controller/ResultRecordController.java
index 8273505c..7ee27ecd 100644
--- a/src/main/java/com/lz/modules/app/controller/ResultRecordController.java
+++ b/src/main/java/com/lz/modules/app/controller/ResultRecordController.java
@@ -490,7 +490,7 @@ public class ResultRecordController extends AbstractController {
                         calculate.setFieldValue(obj.toString());
                     }
                     //最后一个对象为自己，或者获取的对象中的属性为null
-                    if(calculate.getFieldValue() == null || i == calculateModels.size()){
+                    if(calculate.getFieldValue() == null || i == calculateModels.size() - 1){
                         cal += ("{" + calculate.getFieldBeanName() + "}");
                     }else{
                         cal += calculate.getFieldValue();