diff --git a/src/UI/Components/MainContent/Login.tsx b/src/UI/Components/MainContent/Login.tsx
index 24e0beb7e..4c5732379 100644
--- a/src/UI/Components/MainContent/Login.tsx
+++ b/src/UI/Components/MainContent/Login.tsx
@@ -47,6 +47,8 @@ export function saveLoginInfos(data: IResponseData)
             intent: Intent.WARNING
         });
     }
+
+    (TopPanelStore.GetInstance() as TopPanelStore).canJoinGroup = retDate > 35;
 }
 
 
diff --git a/src/UI/Components/Panel.tsx b/src/UI/Components/Panel.tsx
index 19e4a320e..1ca7e0def 100644
--- a/src/UI/Components/Panel.tsx
+++ b/src/UI/Components/Panel.tsx
@@ -108,14 +108,17 @@ export class TopPanel extends React.Component<{ store?: TopPanelStore; }, {}>
                             this.setState({ isCollapse: !this.state.isCollapse });
                         }}
                     />
-                    <Button
-                        style={MarginStyle}
-                        small={true}
-                        icon="people"
-                        text="加入售后群"
-                        intent={Intent.PRIMARY}
-                        onClick={() => window.open("https://jq.qq.com/?_wv=1027&k=5o7IHKm")}
-                    />
+                    {
+                        this.props.store.canJoinGroup &&
+                        <Button
+                            style={MarginStyle}
+                            small={true}
+                            icon="people"
+                            text="加入售后群"
+                            intent={Intent.PRIMARY}
+                            onClick={() => window.open("https://jq.qq.com/?_wv=1027&k=5o7IHKm")}
+                        />
+                    }
                     <Button
                         style={MarginStyle}
                         small={true}
diff --git a/src/UI/Store/TopPanelStore.ts b/src/UI/Store/TopPanelStore.ts
index 90e355b9b..a3e64fde6 100644
--- a/src/UI/Store/TopPanelStore.ts
+++ b/src/UI/Store/TopPanelStore.ts
@@ -34,6 +34,7 @@ export class TopPanelStore extends Singleton
     @observable m_FileManageOpen: boolean = false;
 
     @observable m_FileList: IFileInfo[] = [];
+    @observable canJoinGroup = false;//能加入售后群
     @observable isLogin = false;
     @observable openRegist = false;
     @observable openMain = true;