fix(upgrade-center): 修复 ts 类型检测

uni_modules/uni-upgrade-center-app/components/uni-upgrade-center-app/uni-upgrade-center-app.uvue

@@ -228,7 +228,7 @@
               .sort((cur: StoreListItem, next: StoreListItem): number => next.priority - cur.priority)
               .map((item: StoreListItem): string => item.scheme)
               .reduce((promise: Promise<boolean>, cur: string): Promise<boolean> => {
-                openSchemePromise = promise.catch((): Promise<boolean> => openSchema(cur))
+                openSchemePromise = promise.catch<boolean>((): Promise<boolean> => openSchema(cur))
                 return openSchemePromise!
               }, openSchemePromise!)
             return openSchemePromise!

uni_modules/uni-upgrade-center-app/utils/check-update.ts

@@ -177,7 +177,7 @@ function updateUseModal(packageInfo : UniUpgradeCenterResult) : void {
           	fail: err => {
           		uni.showModal({
           			title: '更新失败',
-          			content: err.message,
+          			content: err.errMsg,
           			showCancel: false
           		});
           	}