diff --git a/src/org/wanxp/douban/component/DoubanSyncModal.ts b/src/org/wanxp/douban/component/DoubanSyncModal.ts
index fa4b7bc..75b8970 100644
--- a/src/org/wanxp/douban/component/DoubanSyncModal.ts
+++ b/src/org/wanxp/douban/component/DoubanSyncModal.ts
@@ -113,6 +113,9 @@ export class DoubanSyncModal extends Modal {
 		const syncButton = new ButtonComponent(controls)
 			.setButtonText(i18nHelper.getMessage('110007'))
 			.onClick(async () => {
+				if(!await this.plugin.checkLogin(this.context)) {
+					return;
+				}
 				syncButton.setDisabled(true);
 				if(!this.plugin.statusHolder.startSync(syncConfig)) {
 					return;
diff --git a/src/org/wanxp/main.ts b/src/org/wanxp/main.ts
index ad883c9..4eae8c2 100644
--- a/src/org/wanxp/main.ts
+++ b/src/org/wanxp/main.ts
@@ -270,7 +270,7 @@ export default class DoubanPlugin extends Plugin {
 		}
 	}
 
-	private async checkLogin(context: HandleContext):Promise<boolean> {
+	async checkLogin(context: HandleContext):Promise<boolean> {
 		if (!context.userComponent.needLogin()) {
 			await context.userComponent.loginByCookie();
 		}