diff --git a/campaign/event_20231221_cn/a3.py b/campaign/event_20231221_cn/a3.py
index abe556196..843d6da9e 100644
--- a/campaign/event_20231221_cn/a3.py
+++ b/campaign/event_20231221_cn/a3.py
@@ -62,6 +62,7 @@ class Config(ConfigBase):
     MAP_SWIPE_MULTIPLY_MINITOUCH = (1.075, 1.095)
     MAP_SWIPE_MULTIPLY_MAATOUCH = (1.044, 1.062)
     MAP_WALK_USE_CURRENT_FLEET = True
+    MAP_ENSURE_EDGE_INSIGHT_CORNER = 'bottom-right'
 
 
 class Campaign(CampaignBase):
diff --git a/campaign/event_20231221_cn/c3.py b/campaign/event_20231221_cn/c3.py
index 76787a8f1..9766fbb3f 100644
--- a/campaign/event_20231221_cn/c3.py
+++ b/campaign/event_20231221_cn/c3.py
@@ -63,6 +63,7 @@ class Config(ConfigBase):
     MAP_SWIPE_MULTIPLY_MINITOUCH = (1.075, 1.095)
     MAP_SWIPE_MULTIPLY_MAATOUCH = (1.044, 1.062)
     MAP_WALK_USE_CURRENT_FLEET = True
+    MAP_ENSURE_EDGE_INSIGHT_CORNER = 'bottom-right'
 
 
 class Campaign(CampaignBase):