diff --git a/core/backend/src/main/java/io/dataease/service/chart/ViewExportExcel.java b/core/backend/src/main/java/io/dataease/service/chart/ViewExportExcel.java
index 66768ac8fc..c456e43600 100644
--- a/core/backend/src/main/java/io/dataease/service/chart/ViewExportExcel.java
+++ b/core/backend/src/main/java/io/dataease/service/chart/ViewExportExcel.java
@@ -135,9 +135,9 @@ public class ViewExportExcel {
             for (int i = 0; i < headKeys.size(); i++) {
                 String key = headKeys.get(i);
                 Object val = row.get(key);
-                if (ObjectUtils.isEmpty(val))
+                if (ObjectUtils.isEmpty(val)) {
                     tempList.add(StringUtils.EMPTY);
-                if (fieldTypes.get(i) == 3) {
+                } else if (fieldTypes.get(i) == 3) {
                     tempList.add(filterInvalidDecimal(val.toString()));
                 } else {
                     tempList.add(val.toString());
@@ -160,4 +160,10 @@ public class ViewExportExcel {
         }
         return sourceNumberStr;
     }
+
+    public static void main(String[] args) {
+        List<String> list = new ArrayList<>();
+        list.add(null);
+        System.out.println(111);
+    }
 }