diff --git a/src/MaaCore/Vision/Battle/BattlefieldMatcher.cpp b/src/MaaCore/Vision/Battle/BattlefieldMatcher.cpp
index 1563c0281a..f6347abebf 100644
--- a/src/MaaCore/Vision/Battle/BattlefieldMatcher.cpp
+++ b/src/MaaCore/Vision/Battle/BattlefieldMatcher.cpp
@@ -310,7 +310,12 @@ BattlefieldMatcher::MatchResult<std::pair<int, int>> BattlefieldMatcher::kills_a
     }
 
     if (kills_text.length() <= pos + 1) {
-        Log.error("kills_text length is too short");
+        Log.error(
+            "kills_text length is too short: text='{}', length={}, pos={}",
+            kills_text,
+            kills_text.size(),
+            pos
+        );
         return {};
     }