diff --git a/src/components/Common/CommonExamInfo/index.js b/src/components/Common/CommonExamInfo/index.js
index 9f2f56c..b652d40 100644
--- a/src/components/Common/CommonExamInfo/index.js
+++ b/src/components/Common/CommonExamInfo/index.js
@@ -3453,6 +3453,8 @@ class CommonExamInfo extends Component {
                     disabled={false}
                     options={userList}
                     onChange={this.handleSelectChange}
+                    allowClear
+                    showSearch={true}
                   />
                 </div>
                 <div className='ant-modal-footer' style={{ padding: '8px 0 0 0' }}>