3.4.0 bug fix

distributed-print/src/main/java/com/qmth/distributed/print/api/SysController.java

@@ -424,7 +424,7 @@ public class SysController {
         }
         Map<String, Object> map = new HashMap<>();
         map.put(SystemConstant.VERSION, SystemConstant.VERSION_VALUE);
-        if (!SystemConstant.ADMIN_CODE_LIST.contains(code.toLowerCase())) {
+        if (StringUtils.isBlank(code) || !SystemConstant.ADMIN_CODE_LIST.contains(code.toLowerCase())) {
             BasicSchool basicSchool = null;
             if (StringUtils.isNotBlank(code)) {
                 basicSchool = commonCacheService.schoolCache(code);