Index: ssts-diposablegoods/src/main/java/com/forgon/disinfectsystem/diposablegoods/service/DiposableGoodsManagerImpl.java
===================================================================
diff -u -r13025 -r13031
--- ssts-diposablegoods/src/main/java/com/forgon/disinfectsystem/diposablegoods/service/DiposableGoodsManagerImpl.java	(.../DiposableGoodsManagerImpl.java)	(revision 13025)
+++ ssts-diposablegoods/src/main/java/com/forgon/disinfectsystem/diposablegoods/service/DiposableGoodsManagerImpl.java	(.../DiposableGoodsManagerImpl.java)	(revision 13031)
@@ -1005,6 +1005,9 @@
 		if (StringUtils.isBlank(name)) {
 			return null;
 		}
+		if(StringUtils.isBlank(specification)){
+			specification = null;
+		}
 		String sql = String.format(" where %s and %s", SqlUtils
 				.getStringFieldPredicate("po.name", name), SqlUtils
 				.getStringFieldPredicate("po.specification", specification));