diff --git a/taptap/taptap_report.py b/taptap/taptap_report.py
index 8e81708..aacb4cb 100644
--- a/taptap/taptap_report.py
+++ b/taptap/taptap_report.py
@@ -28,7 +28,7 @@ class TapTapReport:
         for item in (self.day, self.bday):
             b_d = self.split_order_data(item)
             for key in b_d:
-                all[key].update(b_d[key])
+                all.setdefault(key, {}).update(b_d[key])
         print(all)