diff --git a/public/react/src/modules/tpm/TPMsettings/TPMsettings.js b/public/react/src/modules/tpm/TPMsettings/TPMsettings.js
index ed8e53deb..abeb18c9f 100644
--- a/public/react/src/modules/tpm/TPMsettings/TPMsettings.js
+++ b/public/react/src/modules/tpm/TPMsettings/TPMsettings.js
@@ -1316,13 +1316,19 @@ export default class TPMsettings extends Component {
                         // onMouseEnter={operateauthority?this.bigopen:""}
                         onSelect={operateauthority?this.bigopens:""}
                         // open={opers}
+
+                        showSearch
+                        optionFilterProp="children"
+                        filterOption={(input, option) =>
+                          option.props.children.toLowerCase().indexOf(input.toLowerCase()) >= 0
+                        }
 								>
 
                   {
                     settingsData === undefined ? "" : settingsData.shixun.main_type.map((item, key) => {
 
                       return(
-                        <Option value={item.id} key={key} title={item.description}>{item.type_name}</Option>
+                        <Option value={item.id} key={key} title={item.description} >{item.type_name}</Option>
                       )
                     })
                   }