diff --git a/dbm-ui/backend/db_meta/models/spec.py b/dbm-ui/backend/db_meta/models/spec.py
index e3d819b9d0..983429044e 100644
--- a/dbm-ui/backend/db_meta/models/spec.py
+++ b/dbm-ui/backend/db_meta/models/spec.py
@@ -79,7 +79,7 @@ def capacity(self):
     def get_apply_params_detail(self, group_mark, count, bk_cloud_id, affinity=AffinityEnum.NONE, location_spec=None):
         # 获取资源申请的detail过程，暂时忽略亲和性和位置参数过滤
         spec_offset = SystemSettings.get_setting_value(SystemSettingsEnum.SPEC_OFFSET)
-        return {
+        apply_params = {
             "group_mark": group_mark,
             "bk_cloud_id": bk_cloud_id,
             "device_class": self.device_class,
@@ -103,8 +103,11 @@ def get_apply_params_detail(self, group_mark, count, bk_cloud_id, affinity=Affin
             ],
             "count": count,
             "affinity": affinity,
-            "location_spec": location_spec,
         }
+        if location_spec:
+            apply_params["location_spec"] = location_spec
+
+        return apply_params
 
     def get_backend_group_apply_params_detail(self, bk_cloud_id, backend_group):
         # 专属于后端：如果一组master/slave有特殊要求，则采用backend_group申请
diff --git a/dbm-ui/backend/ticket/flow_manager/resource.py b/dbm-ui/backend/ticket/flow_manager/resource.py
index 6a048538e9..ae7eccd395 100644
--- a/dbm-ui/backend/ticket/flow_manager/resource.py
+++ b/dbm-ui/backend/ticket/flow_manager/resource.py
@@ -226,6 +226,7 @@ def fetch_apply_params(self, ticket_data):
                         count=int(role_spec["count"]),
                         bk_cloud_id=bk_cloud_id,
                         affinity=role_spec.get("affinity", AffinityEnum.NONE.value),
+                        location_spec=role_spec.get("location_spec"),
                     )
                 )