diff --git a/public/react/src/college/College.js b/public/react/src/college/College.js
index bc8f2a3a2..85d43fb7e 100644
--- a/public/react/src/college/College.js
+++ b/public/react/src/college/College.js
@@ -948,7 +948,7 @@ class College extends Component {
 							<div className="yslstatistic-base-item-labels">
 								{
 									shixun_time || shixun_time === 0 ?
-										<div className="yslstatistic-base-item-labelsp">{shixun_time}<span  className="yslstatistic-base-item-labelsspan">天</span></div>
+										<div className="yslstatistic-base-item-labelsp">{shixun_time}<span  className="yslstatistic-base-item-labelsspan">分钟</span></div>
 										:
 										<Spin/>
 								}
diff --git a/public/react/src/modules/courses/signin/model/Createsignmodel.js b/public/react/src/modules/courses/signin/model/Createsignmodel.js
index 03dd9d2e4..117531750 100644
--- a/public/react/src/modules/courses/signin/model/Createsignmodel.js
+++ b/public/react/src/modules/courses/signin/model/Createsignmodel.js
@@ -271,7 +271,7 @@ const CollectionCreateForm = Form.create({ name: 'form_in_modal' })(
                   onChange={date => this.handleChangestart_time(date)}
                   showTimeSelect
                   showTimeSelectOnly
-                  timeIntervals={1}
+                  timeIntervals={10}
                   timeCaption="Time"
                   timeFormat="HH:mm"
                   dateFormat="HH:mm"
@@ -295,7 +295,7 @@ const CollectionCreateForm = Form.create({ name: 'form_in_modal' })(
                 onChange={date => this.handleChangeend_time(date)}
                 showTimeSelect
                 showTimeSelectOnly
-                timeIntervals={1}
+                timeIntervals={10}
                 minTime={this.state.dateString===moment().format('YYYY-MM-DD')||this.state.dateString===null?new Date():false}
                 maxTime={this.state.dateString===moment().format('YYYY-MM-DD')||this.state.dateString===null?moment().endOf('day').toDate():false}
                 timeCaption="Time"