Index: ssts-web/src/main/webapp/disinfectsystem/basedatamanager/sterilizer/sterilizerForm.js
===================================================================
diff -u -r41558 -r41563
--- ssts-web/src/main/webapp/disinfectsystem/basedatamanager/sterilizer/sterilizerForm.js	(.../sterilizerForm.js)	(revision 41558)
+++ ssts-web/src/main/webapp/disinfectsystem/basedatamanager/sterilizer/sterilizerForm.js	(.../sterilizerForm.js)	(revision 41563)
@@ -136,15 +136,35 @@
 			}
 		}
 	});
-
+	var SterilizationRecord = Ext.data.Record.create([
+		{ name: 'id', type: 'number' },
+		{ name: 'cleaningMethod', type: 'string' }
+	]);
 	//炉次灭菌程序的数据源
-	var foldersJsonStore1 = new Ext.data.SimpleStore({
-		fields: ['id', 'cleaningMethod'],
-		url: WWWROOT + '/disinfectSystem/baseData/sterilizerAction!getSterilizerType.do',
+	var foldersJsonStore1 = new Ext.data.Store({
+		proxy : new Ext.data.HttpProxy({
+			url :  WWWROOT + '/disinfectSystem/baseData/sterilizerAction!getSterilizerType.do',
+			method : 'POST'
+		}),
+		reader : new Ext.data.ArrayReader({
+			fields : [
+				{name : 'id'},
+				{name : 'cleaningMethod'}
+			]
+		}),
 		listeners: {
 			beforeload: function (thiz, options) {
 				thiz.baseParams['type'] = 'sterilizationRecord';
 				thiz.baseParams['sterilizerName'] = top.Ext.getCmp('name').getValue();
+			},
+			//数据加载完成增加空的选项到store最后
+			load: function (store, records) {
+				if(records && records.length > 0) {
+					store.add(new SterilizationRecord({
+						id: '',
+						cleaningMethod: '清空'
+					}));
+				}
 			}
 		}
 	});
@@ -432,7 +452,7 @@
 			triggerAction: 'all',
 			hideTrigger: false,
 			typeAhead: false,
-			allowBlank: false,
+			allowBlank: true,
 			anchor: '97%',
 			listeners: {
 				select: function (combo, record, index) {