diff --git a/package2/group/groupBuySingle.vue b/package2/group/groupBuySingle.vue
index 02eb50d..4ea3319 100644
--- a/package2/group/groupBuySingle.vue
+++ b/package2/group/groupBuySingle.vue
@@ -2797,7 +2797,9 @@
 			},
 			back() {
 				const pages = getCurrentPages();
-				if (pages.length > 1) {
+				const prev = pages.length > 1 ? pages[pages.length - 2] : null;
+				const prevRoute = prev && prev.route ? '/' + prev.route : '';
+				if (pages.length > 1 && prevRoute.indexOf('/package2/login/login') !== 0) {
 					uni.navigateBack();
 				} else {
 					this.backHome();
diff --git a/package2/login/login.vue b/package2/login/login.vue
index 236f935..a3c17cc 100644
--- a/package2/login/login.vue
+++ b/package2/login/login.vue
@@ -93,7 +93,7 @@
 </template>
 
 <script>
-	import { resolveHomeShareTarget, getEnterShareTarget } from '@/utils/sharePath.js'
+	import { resolveHomeShareTarget, getEnterShareTarget, resolveMiniCodeSceneTarget, reopenShareEnter } from '@/utils/sharePath.js'
 	export default {
 		data() {
 			return {
@@ -331,11 +331,40 @@
 					}
 				})
 			},
+			isGroupBuyPage(url) {
+				const value = String(url || '')
+				return value.indexOf('/package2/group/groupBuySingle') === 0 || value.indexOf('package2/group/groupBuySingle') === 0
+			},
+			openGroupPageViaHome(targetPath, done, fallbackHome) {
+				reopenShareEnter(targetPath)
+				uni.setStorageSync('pendingShareTargetPath', targetPath)
+				uni.switchTab({
+					url: '/pages/index/index',
+					success: done,
+					fail: () => {
+						uni.reLaunch({
+							url: '/pages/index/index',
+							success: done,
+							fail: fallbackHome
+						})
+					}
+				})
+			},
+			resolveEnterTargetPath() {
+				let options = null
+				try {
+					if (uni.getEnterOptionsSync) options = uni.getEnterOptionsSync()
+				} catch (e) {}
+				const query = options && options.query
+				return resolveMiniCodeSceneTarget(query && query.scene) || getEnterShareTarget(options) || ''
+			},
 			goAfterLogin(clearRedirect) {
 				const pendingPath = this.redirectKey ? uni.getStorageSync(this.redirectKey) : ''
-				const fallbackTargetPath = uni.getStorageSync('authPendingTargetPath') || uni.getStorageSync('pendingShareTargetPath') || getEnterShareTarget() || ''
+				const fallbackTargetPath = uni.getStorageSync('authPendingTargetPath') || uni.getStorageSync('pendingShareTargetPath') || this.resolveEnterTargetPath() || ''
 				const targetUrl = pendingPath || fallbackTargetPath || '/pages/index/index'
 				const homeTargetPath = this.extractHomeTargetPath(targetUrl)
+				const shareTargetPath = homeTargetPath || (targetUrl.indexOf('/pages/index/index') === 0 || targetUrl.indexOf('pages/index/index') === 0 ? '' : targetUrl)
+				if (shareTargetPath) reopenShareEnter(shareTargetPath)
 				if (homeTargetPath) {
 					uni.setStorageSync('pendingShareTargetPath', homeTargetPath)
 				}
@@ -353,8 +382,10 @@
 				}
 				const fallbackHome = () => {
 					if (homeTargetPath) {
+						reopenShareEnter(homeTargetPath)
 						uni.setStorageSync('pendingShareTargetPath', homeTargetPath)
 					} else if (targetUrl && targetUrl.indexOf('/pages/index/index') !== 0 && targetUrl.indexOf('pages/index/index') !== 0) {
+						reopenShareEnter(targetUrl)
 						uni.setStorageSync('pendingShareTargetPath', targetUrl)
 					}
 					uni.reLaunch({
@@ -369,6 +400,7 @@
 					})
 				}
 				if (needsAreaBeforeTarget) {
+					reopenShareEnter(targetUrl)
 					uni.setStorageSync('pendingShareTargetPath', targetUrl)
 					uni.reLaunch({
 						url: '/pages/index/index',
@@ -385,6 +417,11 @@
 					})
 					return
 				}
+				const groupTargetPath = this.isGroupBuyPage(shareTargetPath) ? shareTargetPath : (this.isGroupBuyPage(targetUrl) ? targetUrl : '')
+				if (groupTargetPath) {
+					this.openGroupPageViaHome(groupTargetPath, done, fallbackHome)
+					return
+				}
 				uni.redirectTo({
 					url: targetUrl,
 					success: done,