diff --git a/src/main/java/com/zhangmeng/online/exam/ui/controller/UserEditController.java b/src/main/java/com/zhangmeng/online/exam/ui/controller/UserEditController.java
index 1e6a558..8c58d08 100644
--- a/src/main/java/com/zhangmeng/online/exam/ui/controller/UserEditController.java
+++ b/src/main/java/com/zhangmeng/online/exam/ui/controller/UserEditController.java
@@ -67,7 +67,11 @@ public class UserEditController {
         }, new StringConverter<Role>() {
             @Override
             public String toString(Role object) {
-                return object.getName();
+                if (object != null) {
+                    System.out.println("姓名:" + object.getName() + "  是否选择:" + object.isSelected());
+                    return object.getName();
+                }
+               return null;
             }
 
             @Override
diff --git a/src/main/java/com/zhangmeng/online/exam/ui/module/Role.java b/src/main/java/com/zhangmeng/online/exam/ui/module/Role.java
index e914295..830ad33 100644
--- a/src/main/java/com/zhangmeng/online/exam/ui/module/Role.java
+++ b/src/main/java/com/zhangmeng/online/exam/ui/module/Role.java
@@ -17,7 +17,7 @@ public class Role {
     private String description;
     private String status;
     private List<Permission> permissions;
-    private SimpleBooleanProperty selected;
+    private SimpleBooleanProperty selected = new SimpleBooleanProperty(false);
 
     public Role(int id, String name, String description, String status) {
         this.id = id;
@@ -25,7 +25,6 @@ public class Role {
         this.description = description;
         this.status = status;
         this.permissions = new ArrayList<>();
-        this.selected = new SimpleBooleanProperty(false);
     }
 
     public Role() {