diff --git a/com.actionsoft.apps.coe.pal.processlist/src/com/actionsoft/apps/coe/pal/processlist/web/PALRepositoryListWeb.java b/com.actionsoft.apps.coe.pal.processlist/src/com/actionsoft/apps/coe/pal/processlist/web/PALRepositoryListWeb.java
index a896add2..474d6905 100644
--- a/com.actionsoft.apps.coe.pal.processlist/src/com/actionsoft/apps/coe/pal/processlist/web/PALRepositoryListWeb.java
+++ b/com.actionsoft.apps.coe.pal.processlist/src/com/actionsoft/apps/coe/pal/processlist/web/PALRepositoryListWeb.java
@@ -1087,7 +1087,15 @@ public class PALRepositoryListWeb extends ActionWeb {
 			// 获取所有扩展属性的值
 			JSONObject extendAttrValObj = new JSONObject();
 			if (extendAttr) {// 如果表格中没有更多特性，则不查询，节省时间
-				extendAttrValObj = CoeProcessLevelUtil.getProcessLevelPropertyVal(model.getId());
+				if(null!=model) {
+					try {
+						extendAttrValObj = CoeProcessLevelUtil.getProcessLevelPropertyVal(model.getId());
+					} catch (Exception e) {
+						System.err.println("清单无法导出的模型ID："+model.getId());
+						// TODO: handle exception
+					}
+				}
+				
 			}
 			Iterator iter = extendAttrValObj.entrySet().iterator();
 			JSONObject object = new JSONObject();