diff --git a/jnpf-java-boot/jnpf-example/jnpf-example-biz/src/main/java/jnpf/service/impl/UserMachineServiceImpl.java b/jnpf-java-boot/jnpf-example/jnpf-example-biz/src/main/java/jnpf/service/impl/UserMachineServiceImpl.java
index fef1ec8..7054da6 100644
--- a/jnpf-java-boot/jnpf-example/jnpf-example-biz/src/main/java/jnpf/service/impl/UserMachineServiceImpl.java
+++ b/jnpf-java-boot/jnpf-example/jnpf-example-biz/src/main/java/jnpf/service/impl/UserMachineServiceImpl.java
@@ -101,6 +101,13 @@ public class UserMachineServiceImpl extends ServiceImpl<UserMachineMapper, UserM
     public void saveOrUpdate(UserMachineForm userMachineForm, String id, boolean isSave) throws Exception {
         UserMachineEntity entity;
         if (isSave) {
+            // 根据userId 判断是否已经存在记录
+            UserMachineEntity existingEntity = this.getOne(new LambdaQueryWrapper<UserMachineEntity>()
+                    .eq(UserMachineEntity::getUserId, userMachineForm.getUserId())
+                    .eq(UserMachineEntity::getDeleteMark, 0));
+            if (existingEntity != null) {
+                throw new Exception("该人员已配置机台班组，不能重复配置");
+            }
             entity = new UserMachineEntity();
             BeanUtils.copyProperties(userMachineForm, entity);
             entity.setId(null);
diff --git a/jnpf-java-boot/jnpf-web/src/views/example/usermachine/form.vue b/jnpf-java-boot/jnpf-web/src/views/example/usermachine/form.vue
index c332e9c..633a0f8 100644
--- a/jnpf-java-boot/jnpf-web/src/views/example/usermachine/form.vue
+++ b/jnpf-java-boot/jnpf-web/src/views/example/usermachine/form.vue
@@ -11,12 +11,16 @@
         <el-row :gutter="24">
           <el-col :span="8">
             <el-form-item label="人员" prop="userId">
-              <UserSelect 
-                v-model="dataForm.userId" 
-                @change="handleUserChange" 
-                placeholder="请选择人员"
-                :disabled="!!dataForm.id"
-              ></UserSelect>
+              <template v-if="dataForm.id">
+                <el-input v-model="dataForm.userName" disabled style="width: 100%;" />
+              </template>
+              <template v-else>
+                <UserSelect 
+                  v-model="dataForm.userId" 
+                  @change="handleUserChange" 
+                  placeholder="请选择人员"
+                ></UserSelect>
+              </template>
             </el-form-item>
           </el-col>
           <el-col :span="8">