diff --git a/backend/src/main/java/io/dataease/service/chart/ChartViewService.java b/backend/src/main/java/io/dataease/service/chart/ChartViewService.java
index 4516b139c0..b0499d4bc2 100644
--- a/backend/src/main/java/io/dataease/service/chart/ChartViewService.java
+++ b/backend/src/main/java/io/dataease/service/chart/ChartViewService.java
@@ -1658,10 +1658,14 @@ public class ChartViewService {
         String senior = view.getSenior();
         JSONObject jsonObject = JSONObject.parseObject(senior);
         JSONArray assistLine = jsonObject.getJSONArray("assistLine");
+        List<ChartSeniorAssistDTO> list = new ArrayList<>();
+        if (ObjectUtils.isEmpty(assistLine) || StringUtils.isBlank(assistLine.toJSONString())) {
+            return list;
+        }
         List<ChartSeniorAssistDTO> assistLines = gson.fromJson(assistLine.toJSONString(), new TypeToken<List<ChartSeniorAssistDTO>>() {
         }.getType());
 
-        List<ChartSeniorAssistDTO> list = new ArrayList<>();
+
         for (ChartSeniorAssistDTO dto : assistLines) {
             if (StringUtils.equalsIgnoreCase(dto.getField(), "0")) {
                 continue;