Index: ssts-recyclingapplication/src/main/java/com/forgon/disinfectsystem/recyclingapplication/service/InvoicePlanManagerImpl.java
===================================================================
diff -u -r17950 -r17958
--- ssts-recyclingapplication/src/main/java/com/forgon/disinfectsystem/recyclingapplication/service/InvoicePlanManagerImpl.java	(.../InvoicePlanManagerImpl.java)	(revision 17950)
+++ ssts-recyclingapplication/src/main/java/com/forgon/disinfectsystem/recyclingapplication/service/InvoicePlanManagerImpl.java	(.../InvoicePlanManagerImpl.java)	(revision 17958)
@@ -2136,14 +2136,16 @@
 		JSONArray array = new JSONArray();
 		for (Map.Entry<String, Map<String, Integer>> entry : allUnReturn.entrySet()) {
             JSONObject jsonObject = new JSONObject();
-            jsonObject.put("depart", entry.getKey());
             Map<String, Integer> amountDetails = entry.getValue();
             StringBuilder sb = new StringBuilder();
             for (Map.Entry<String, Integer> amountEntry : amountDetails.entrySet()) {
                 sb.append(amountEntry.getKey()).append("x").append(amountEntry.getValue()).append(",");
             }
-            jsonObject.put("spec", sb.substring(0, sb.length() - 1));
-            array.add(jsonObject);
+            if (StringUtils.isNotBlank(sb)){
+				jsonObject.put("depart", entry.getKey());
+				jsonObject.put("spec", sb.substring(0, sb.length() - 1));
+				array.add(jsonObject);
+			}
         }
 		return array;
 	}