diff --git a/api/products/views.py b/api/products/views.py
index f86236d..eb508d4 100644
--- a/api/products/views.py
+++ b/api/products/views.py
@@ -535,12 +535,10 @@ def http405():
     r.status_code = 405
     return r
 
-def code_to_roi_key(code):
+def code_to_qr_std_key(code):
     code = str(code)
-    a = code[0:2] or "_"
-    b = code[0:4] or "_"
-    key = f"features_v1/{a}/{b}/{code}.jpg"
-    return key
+    pref = code[:2]
+    return f'v5/{pref}/{code}.jpg'
 
 class BaseView(View):
     name = ''
@@ -579,11 +577,8 @@ class BaseView(View):
             return http401()
         return super().dispatch(request, *args, **kwargs)
 
-    def get_feature_roi(self, code):
-        return oss_get(code_to_roi_key(code), bucket=settings.FEATURES_BUCKET)
-
-    def save_feature_roi(self, code, roi):
-        return oss_put(code_to_roi_key(code), roi, bucket=settings.FEATURES_BUCKET)
+    def get_qr_std(self, code):
+        return oss_get(code_to_qr_std_key(code), bucket=settings.OSS_QRS_BUCKET)
 
 class UserInfoView(BaseView):
     name = 'userinfo'
@@ -1545,24 +1540,17 @@ class ScanStatsByProvinceView(BaseView):
 
         return JsonResponse(ret)
 
-class CodeFeatureRoiView(BaseView):
-    name = 'code-feature-roi'
+class QrStdView(BaseView):
+    name = 'qr-std'
     auth_check = 'admin'
 
     def get(self, request):
         c = request.GET.get("code")
-        feature = self.get_feature_roi(c)
-        if feature:
-            return HttpResponse(feature, content_type="image/jpeg")
+        qr = self.get_qr_std(c)
+        if qr:
+            return HttpResponse(qr, content_type="image/jpeg")
         return http404()
 
-    def post(self, request):
-        for i, feature in request.FILES.items():
-            name = request.FILES[i].name
-            c = name.split('/')[-1].split('.')[0]
-            self.save_feature_roi(c, feature.read())
-        return JsonResponse({})
-
 def parse_estor_params(headers):
     ret = {}
     for k, v in headers.items():
@@ -1575,40 +1563,6 @@ def parse_estor_params(headers):
             ret[k] = v
     return ret
 
-class EstorFeatureRoi(BaseView):
-    name = 'estor-feature-roi'
-    auth_check = None
-
-    def post(self, request):
-        rh = parse_estor_params(request.META)
-        path = rh.get('HTTP_X_ESTOR_PATH')
-        if not path:
-            return http400("X-Estor-Path not set")
-        token = rh.get('HTTP_X_ESTOR_PARAM_EMBLEM_TOKEN')
-        t = AuthToken.objects.filter(token=token).first()
-        if not t or not t.admin:
-            return http401()
-
-        overwrite = rh.get('HTTP_X_ESTOR_PARAM_OVERWRITE') == "yes"
-        fail_if_exists = rh.get('HTTP_X_ESTOR_PARAM_FAIL_IF_EXISTS') == "yes"
-        code = os.path.basename(path).split(".", maxsplit=1)[0]
-        if not code:
-            return http400("code invalid")
-
-        if fail_if_exists or overwrite:
-            exists = oss_has(code_to_roi_key(code))
-            if exists:
-                if fail_if_exists:
-                    return http400("code feature roi already existing")
-                if not overwrite:
-                    return JsonResponse({
-                        "saved": 0,
-                        })
-        self.save_feature_roi(code, request.body)
-        return JsonResponse({
-            "saved": 1,
-        })
-
 class QrStdUploadView(BaseView):
     name = 'qr-std-upload'
     auth_check = None
@@ -1634,9 +1588,8 @@ class QrStdUploadView(BaseView):
             raise Exception("file too large")
         if len(name) < 2:
             raise Exception("invalid file name")
-        pref = name[:2]
-        key = f"v5/{pref}/{fname}"
-        r = oss_put(key, body, bucket=settings.OSS_QRS_BUCKET, endpoint=settings.OSS_QRS_ENDPOINT)
+        key = code_to_qr_std_key(name)
+        oss_put(key, body, bucket=settings.OSS_QRS_BUCKET, endpoint=settings.OSS_QRS_ENDPOINT)
 
 class EstorArchive(BaseView):
     name = 'estor-archive'
@@ -1734,12 +1687,12 @@ class GlobalConfigView(BaseView):
         r.save()
         return JsonResponse({"ok": True, "id": r.pk})
 
-class FeatureStatView(BaseView):
-    name = 'feature-stat'
+class QrStdStatView(BaseView):
+    name = 'qr-std-stat'
     auth_check = 'admin'
 
     def get(self, request):
-        ret = oss_stat(bucket=settings.FEATURES_BUCKET)
+        ret = oss_stat(bucket=settings.OSS_QRS_BUCKET)
         return JsonResponse(ret)
 
 class LogReportView(BaseView):
diff --git a/web/src/views/code-feature.vue b/web/src/views/code-feature.vue
index e0bc4ce..5adc059 100644
--- a/web/src/views/code-feature.vue
+++ b/web/src/views/code-feature.vue
@@ -66,7 +66,7 @@ export default {
       this.search_result = null;
       this.search_error = null;
       try {
-        var url = "/api/v1/code-feature-roi/?token=" + this.$root.token + "&code=" + this.search_code;
+        var url = "/api/v1/qr-std/?token=" + this.$root.token + "&code=" + this.search_code;
         var r = await this.$root.api_get(url);
         if (r) {
           this.search_result = url;
@@ -80,7 +80,7 @@ export default {
     },
     async reload() {
       this.loading = true;
-      var r = await this.$root.api_get("/api/v1/feature-stat/");
+      var r = await this.$root.api_get("/api/v1/qr-std-stat/");
       this.objects = r.data.objects;
       this.size = r.data.size;
       this.loading = false;