diff --git a/lc123/cloud/app/plugin/trd/FWImpl.java b/lc123/cloud/app/plugin/trd/FWImpl.java
index db5453c..3929427 100644
--- a/lc123/cloud/app/plugin/trd/FWImpl.java
+++ b/lc123/cloud/app/plugin/trd/FWImpl.java
@@ -5875,7 +5875,7 @@ public class FWImpl {
 
             JSONObject detail_change = new JSONObject();
             JSONArray recordsArr_change = new JSONArray();
-            DynamicObjectCollection changeEntries = bill.getDynamicObjectCollection("");
+            DynamicObjectCollection changeEntries = bill.getDynamicObjectCollection("tqq9_changeentry");
             for (DynamicObject changeEntry : changeEntries) {
                 String bgzd = changeEntry.getString("tqq9_fieldname");
                 String bgq = changeEntry.getString("tqq9_oldvalue");