diff --git a/src/views/busAdmin/TimeLimit/editTimeLimit.vue b/src/views/busAdmin/TimeLimit/editTimeLimit.vue
index 37046da..bc65c99 100644
--- a/src/views/busAdmin/TimeLimit/editTimeLimit.vue
+++ b/src/views/busAdmin/TimeLimit/editTimeLimit.vue
@@ -12,7 +12,7 @@
         </el-select>
       </el-form-item>
       <el-form-item prop="attribute" label="限制时限">
-        <el-input v-model.trim="TimeLimitForm.attribute" class="form-item">
+        <el-input v-model.number="TimeLimitForm.attribute" class="form-item">
           <template slot="append">分钟</template>
         </el-input>
       </el-form-item>
@@ -46,7 +46,8 @@
       },
       rules: {
         dictId: [{ required: true, message: '案卷类型不能为空', trigger: ['blur', 'change'] }],
-        attribute: [{ required: true, message: '限制时限不能为空', trigger: ['blur', 'change'] }]
+        attribute: [{ required: true, message: '限制时限不能为空', trigger: ['blur', 'change'] },
+          { type: 'number', min: 0, message: '限制时限必须为非负数', trigger: ['blur', 'change'] }]
       },
       caseStateOptions: [],
       caseStateMap: {}