diff --git a/fir_client/src/components/FirAppInfosBase.vue b/fir_client/src/components/FirAppInfosBase.vue
index d1846bd..8ef5d0c 100644
--- a/fir_client/src/components/FirAppInfosBase.vue
+++ b/fir_client/src/components/FirAppInfosBase.vue
@@ -146,8 +146,14 @@
                 }
             },
             appDownload() {
-                window.open(location.origin + '/' + this.appinfos.short, 'target', '');
-                // this.$router.push({name: 'FirDownload', params: {short: this.appinfos.short}})
+                let routeData = this.$router.resolve({name: 'FirDownload', params: {short: this.appinfos.short}});
+                // window.open(routeData.href, '_blank');
+                let p_url = routeData.href;
+                // let p_url = location.origin + '/' + this.appinfos.short;
+                if (this.appinfos.preview_url && this.appinfos.preview_url.length > 6) {
+                    p_url = this.appinfos.preview_url + p_url
+                }
+                window.open(p_url, 'target', '');
             },
             defaulttimeline() {
                 this.setfunactive('timeline', 5);
diff --git a/fir_client/src/components/FirAppInfostimeline.vue b/fir_client/src/components/FirAppInfostimeline.vue
index f21b914..571afed 100644
--- a/fir_client/src/components/FirAppInfostimeline.vue
+++ b/fir_client/src/components/FirAppInfostimeline.vue
@@ -148,11 +148,16 @@
                 })
             },
             previewRelase(app) {
-                this.$router.push({
+                let routeData = this.$router.resolve({
                     name: 'FirDownload',
                     params: {short: this.currentapp.short},
                     query: {release_id: app.release_id}
-                })
+                });
+                let p_url = routeData.href;
+                if (this.currentapp.preview_url && this.currentapp.preview_url.length > 6) {
+                    p_url = this.currentapp.preview_url + p_url
+                }
+                window.open(p_url, 'target', '');
 
             },
             getapptimelineFun() {
diff --git a/fir_client/src/components/FirApps.vue b/fir_client/src/components/FirApps.vue
index 7ad05b9..1900c4e 100644
--- a/fir_client/src/components/FirApps.vue
+++ b/fir_client/src/components/FirApps.vue
@@ -375,7 +375,7 @@
                                         <i class="icon-pen el-icon-edit"></i> 管理
                                     </el-button>
 
-                                    <el-button @click="appDownload(r)" target="_blank" class="ng-binding">
+                                    <el-button @click="appDownload(r)" class="ng-binding">
                                         <i class="icon-eye el-icon-view"></i> 预览
                                     </el-button>
 
@@ -736,7 +736,13 @@
                 this.$router.push({name: 'FirAppInfostimeline', params: {id: app.app_id}})
             },
             appDownload(app) {
-                this.$router.push({name: 'FirDownload', params: {short: app.short}})
+                // this.$router.push({name: 'FirDownload', params: {short: app.short}});
+                let routeData = this.$router.resolve({name: 'FirDownload', params: {short: app.short}});
+                let p_url = routeData.href;
+                if (app.preview_url && app.preview_url.length > 6) {
+                    p_url = app.preview_url + p_url
+                }
+                window.open(p_url, 'target', '');
             }
         }, computed: {
             getDelappTitle() {
diff --git a/fir_client/src/components/FirDownload.vue b/fir_client/src/components/FirDownload.vue
index 51860c9..49666e0 100644
--- a/fir_client/src/components/FirDownload.vue
+++ b/fir_client/src/components/FirDownload.vue
@@ -343,7 +343,10 @@
                 }
             },
             getDownloadTokenFun() {
-                let params = {"short": this.$route.params.short, "time": new Date().getTime()};
+                let params = {
+                    "short": this.$route.params.short,
+                    "time": new Date().getTime()
+                };
                 if (this.$route.query.release_id) {
                     params["release_id"] = this.$route.query.release_id
                 }
diff --git a/fir_client/src/components/ShortDownload.vue b/fir_client/src/components/ShortDownload.vue
index 9a5db39..9d405a3 100644
--- a/fir_client/src/components/ShortDownload.vue
+++ b/fir_client/src/components/ShortDownload.vue
@@ -337,7 +337,10 @@
                 }
             },
             getDownloadTokenFun() {
-                let params = {"short": this.$route.params.short, "time": new Date().getTime()};
+                let params = {
+                    "short": this.$route.params.short,
+                    "time": new Date().getTime()
+                };
                 if (this.$route.query.release_id) {
                     params["release_id"] = this.$route.query.release_id
                 }
diff --git a/fir_ser/api/utils/serializer.py b/fir_ser/api/utils/serializer.py
index f2bf5c9..b59eab7 100644
--- a/fir_ser/api/utils/serializer.py
+++ b/fir_ser/api/utils/serializer.py
@@ -39,6 +39,18 @@ class AppsSerializer(serializers.ModelSerializer):
             obj.has_combo.has_combo = None
             return AppsSerializer(obj.has_combo, context=self.context).data
 
+    preview_url = serializers.SerializerMethodField()
+
+    def get_preview_url(self, obj):
+        preview_url = ''
+        if obj.domain_name:
+            preview_url = obj.domain_name
+        elif obj.user_id.domain_name:
+            preview_url = obj.user_id.domain_name
+        if preview_url:
+            return "http://%s" % preview_url
+        return ''
+
     sign_type_choice = serializers.SerializerMethodField()
 
     def get_sign_type_choice(self, obj):
diff --git a/fir_ser/api/views/download.py b/fir_ser/api/views/download.py
index d0f8a6a..bb0a25f 100644
--- a/fir_ser/api/views/download.py
+++ b/fir_ser/api/views/download.py
@@ -163,7 +163,7 @@ class ShortDownloadView(APIView):
                                                                "storage": Storage(app_obj.user_id)})
         res.data = app_serializer.data
         res.udid = udid
-        res.domain_name = get_redirect_server_domain(request, app_obj.user_id, app_serializer.data['domain_name'])
+        res.domain_name = get_redirect_server_domain(request, app_obj.user_id, app_obj.domain_name)
         return Response(res.dict)
 
     # key的设置