客户端打印优化

package.json

@@ -1,6 +1,6 @@
 {
   "name": "JUSTAR",
-  "version": "2.2.1",
+  "version": "2.2.2",
   "description": "钜星科技便民问诊系统",
   "main": "src/index.js",
   "scripts": {

src/js/main.js

@@ -159,7 +159,7 @@ let main ={
           }
         },
         {
-          label:'版本号:2.2.1',
+          label:'版本号:2.2.2',
           icon: respath + path.sep+ "static"+ path.sep+"images"+ path.sep+"paste.png",
         },]
     });

src/js/setting/print_monitor.js

@@ -73,7 +73,7 @@ let print_monitor={
                 if(err){
                   log.error("获取打印机缓存失败");
                 }else {
-                    if(data.length == 0){
+                    if(data.search("{") == -1){
                         data = {
                             listPrinter: listPrinter,
                             pdf_url: pdf_url