diff --git a/sgzb-modules/sgzb-base/src/main/java/com/bonus/sgzb/largeScreen/util/CommonUtil.java b/sgzb-modules/sgzb-base/src/main/java/com/bonus/sgzb/largeScreen/util/CommonUtil.java
index b902673d..9b7b34d7 100644
--- a/sgzb-modules/sgzb-base/src/main/java/com/bonus/sgzb/largeScreen/util/CommonUtil.java
+++ b/sgzb-modules/sgzb-base/src/main/java/com/bonus/sgzb/largeScreen/util/CommonUtil.java
@@ -53,7 +53,8 @@ public class CommonUtil {
         BigDecimal value = new BigDecimal(new Double(0).toString());
         for (int i = 0; i < list.size(); i++) {
             Map<String, String> map = list.get(i);
-            BigDecimal value2 = new BigDecimal(new Double(String.valueOf(map.get("num"))));
+            String num = Objects.isNull(map.get("num")) ? "0" : String.valueOf(map.get("num"));
+            BigDecimal value2 = new BigDecimal(new Double(num));
             value = value.add(value2);
         }
         double doubleValue = value.doubleValue();