diff --git a/src/engine/calculate_fan.py b/src/engine/calculate_fan.py
index 9c700c1..97a6bc0 100644
--- a/src/engine/calculate_fan.py
+++ b/src/engine/calculate_fan.py
@@ -44,8 +44,9 @@ def calculate_fan(hand, melds, is_self_draw, is_cleared, conditions):
                                        conditions.get("is_clear_seven_pairs", False) or
                                        conditions.get("is_full_request", False) or
                                        conditions.get("is_rob_gang", False) or
-                                  conditions.get("is_under_the_sea", False))
-        else 0,
+                                       conditions.get("is_under_the_sea", False) or
+                                       conditions.get("is_tian_hu", False) or
+                                       conditions.get("is_di_hu", False)) else 0,
 
     }