diff --git a/core/package_manager.py b/core/package_manager.py
index e9246b1984d0c3a67d3f91f836353d00a037e5ff..17018df19d1a7173f8c226dacb1e76a281651e37 100755
--- a/core/package_manager.py
+++ b/core/package_manager.py
@@ -406,8 +406,8 @@ class OBSPkgManager(object):
         """
         yaml_dict = {}
         yaml_path = os.path.join(self.init_path, "community/repository/src-openeuler.yaml")
-        f1 = open(yaml_path, 'r')
-        y = yaml.load(f1)
+        f1 = open(yaml_path, 'r',encoding='utf-8')
+        y = yaml.load(f1, Loader=yaml.FullLoader)
         for tmp in y['repositories']:
             name = tmp['name']
             branch = tmp['protected_branches']