diff --git a/backend/src/main/java/io/dataease/dto/chart/ChartSeniorAssistDTO.java b/backend/src/main/java/io/dataease/dto/chart/ChartSeniorAssistDTO.java
index 20b362e863..073f49ed32 100644
--- a/backend/src/main/java/io/dataease/dto/chart/ChartSeniorAssistDTO.java
+++ b/backend/src/main/java/io/dataease/dto/chart/ChartSeniorAssistDTO.java
@@ -17,4 +17,5 @@ public class ChartSeniorAssistDTO {
     private String lineType;
     private String color;
     private DatasetTableField curField;
+    private String fontSize;
 }