Index: ssts-web/src/main/webapp/js/common.js
===================================================================
diff -u -r36525 -r36620
--- ssts-web/src/main/webapp/js/common.js	(.../common.js)	(revision 36525)
+++ ssts-web/src/main/webapp/js/common.js	(.../common.js)	(revision 36620)
@@ -2632,7 +2632,8 @@
     }
 
     if (sstsConfig.enablePrintLabelsOutputPrinterSettingsFunction) {
-        if (sessionStorage.getItem('clientComputerPrinters')) {
+        var clientComputerPrinters = sessionStorage.getItem('clientComputerPrinters');
+        if (clientComputerPrinters !== 'null' && clientComputerPrinters !== null) {
             var clientComputerPrinters = eval('(' + sessionStorage.getItem('clientComputerPrinters') + ')');
             var name = '';
             if (type == 'smallLabel') {
@@ -3290,7 +3291,7 @@
             doctorAccountDepart: true,
             remark: true
         }
-    }else if(configureName == 'notAllowBlankFieldsOfOperationReservationForm'){
+    } else if (configureName == 'notAllowBlankFieldsOfOperationReservationForm') {
         newArray = sstsConfig.notAllowBlankFieldsOfOperationReservationForm;
         obj = {
             operationRoom: true,