diff --git a/taptap/taptap_daily_tags.py b/taptap/taptap_daily_tags.py
index bbde996..f6c311e 100644
--- a/taptap/taptap_daily_tags.py
+++ b/taptap/taptap_daily_tags.py
@@ -38,6 +38,8 @@ class TapTapReport:
             for line in data:
                 try:
                     catename, tags, order = line
+                    if catename not in tags_data.keys():
+                        tags_data[catename] = {}
                     temp_dict = tags_data.get(catename, {})
                     for tag in tags.split(","):
                         temp_dict[tag] = temp_dict.get(tag, 0) + self.order2score(order)