diff --git a/src/forge/Component/AddMember.jsx b/src/forge/Component/AddMember.jsx
index f1c14f07f..f927850c8 100644
--- a/src/forge/Component/AddMember.jsx
+++ b/src/forge/Component/AddMember.jsx
@@ -4,7 +4,7 @@ import axios from 'axios';
 import { getImageUrl } from 'educoder';
 
 const { Option } = AutoComplete;
-function AddMember({getID,login}){
+function AddMember({getID,login,showNotification}){
   const [ id , setID ] = useState(undefined);
   const [ source , setSource ] = useState(undefined);
   const [ searchKey , setSearchKey ] = useState(undefined);
@@ -66,8 +66,12 @@ function AddMember({getID,login}){
   };
 
   function addCollaborator(){
-    getID && getID(id);
-    setSearchKey(undefined);
+    if(source && source.length>0){
+      getID && getID(id);
+      setSearchKey(undefined);
+    }else{
+      showNotification("请选择存在的用户!");
+    }
   }
 
   return(
diff --git a/src/forge/Head/Header.js b/src/forge/Head/Header.js
index 86bb52c54..0ea38b41b 100644
--- a/src/forge/Head/Header.js
+++ b/src/forge/Head/Header.js
@@ -92,7 +92,7 @@ class NewHeader extends Component {
             className={`search-input mr20`}
             onSearch={(value)=>this.onGlobalSearch(value,item)}
             autoFocus={true}
-            style={{width:"190px"}}
+            style={{width:"260px"}}
           />
         </div>
       )
diff --git a/src/forge/Settings/Collaborator.js b/src/forge/Settings/Collaborator.js
index 4ae292633..0b94eee5b 100644
--- a/src/forge/Settings/Collaborator.js
+++ b/src/forge/Settings/Collaborator.js
@@ -34,7 +34,7 @@ function Collaborator(props){
         }
         {
           nav === "1" ?
-          <AddMember getID={getID} login/>
+          <AddMember getID={getID} login showNotification={props.showNotification}/>
           :
           <AddGroup getGroupID={getGroupID} organizeId={owner}/>
         }
diff --git a/src/forge/Team/Group/Setting/GroupMemberSetting.jsx b/src/forge/Team/Group/Setting/GroupMemberSetting.jsx
index 847dd6ef4..a0d8ec781 100644
--- a/src/forge/Team/Group/Setting/GroupMemberSetting.jsx
+++ b/src/forge/Team/Group/Setting/GroupMemberSetting.jsx
@@ -146,7 +146,7 @@ export default ((props) => {
       <WhiteBack style={{minHeight:"400px"}}>
         <Title>
           <span>团队成员管理</span>
-          <AddMember getID={getID}/>
+          <AddMember getID={getID} showNotification={props.showNotification}/>
         </Title>
         <FlexAJ className="padding20-30">
           <div style={{ width: "580px" }}>