diff --git a/designer-realize/src/main/java/com/fr/grid/IntelliElements.java b/designer-realize/src/main/java/com/fr/grid/IntelliElements.java
index 823448553..e53e8b952 100644
--- a/designer-realize/src/main/java/com/fr/grid/IntelliElements.java
+++ b/designer-realize/src/main/java/com/fr/grid/IntelliElements.java
@@ -445,7 +445,7 @@ public class IntelliElements {
 
         @Override
 		protected Number processNumber(Number i) {
-            return i;
+            return FunctionHelper.asNumber(i.doubleValue() - 1);
         }
 
         @Override
@@ -599,7 +599,7 @@ public class IntelliElements {
 
         @Override
 		protected Number processNumber(Number i) {
-            return i;
+            return FunctionHelper.asNumber(i.doubleValue() - 1);
         }
 
         @Override