diff --git a/src/utils/assistant.util.ts b/src/utils/assistant.util.ts
index 52b8c2b..e12861e 100644
--- a/src/utils/assistant.util.ts
+++ b/src/utils/assistant.util.ts
@@ -209,7 +209,10 @@ let assistantUtil = {
     cardPoints.sort((a, b) => a - b)
 
     let eatPairs = seekPairWithSpecial(pointMap, eatCard)
-    let eatSecs = seekSeq(pointMap, cardPoints, eatCard)
+    let eatSecs: Card[] = []
+    if (eatCard) {
+      eatSecs = seekSeq(pointMap, cardPoints, eatCard)
+    }
     const selfEat = normalPairs.length > 0 || normalSecs.length > 0
     const otherEat = eatPairs.length > 0 || eatSecs.length > 0
     return {