diff --git a/src/robot/Robot.ts b/src/robot/Robot.ts
index 9ea162e..e2c76ee 100644
--- a/src/robot/Robot.ts
+++ b/src/robot/Robot.ts
@@ -168,13 +168,24 @@ export class Robot {
         if (!cards) {
             return;
         }
-        let cardIds = cards.map(o => o.id);
-        // let cardIds = [cardArr[0].id]
+        let cardIds: number[] = [];
+        let hasEatCard = false;
+        for (let card of cards) {
+            if (!targetCard || (targetCard && card.id !== targetCard.id)) {
+                cardIds.push(card.id);
+            }
+            if (targetCard && card.id == targetCard.id) {
+                hasEatCard = true
+            }
+        }
         log(`discard: ${self.sessionId} ${cardIds}`);
-        self.reply('discard_card_c2s', {
-            cards: cardIds,
-            target: targetCard.id
-        });
+        let repData: any = {
+            cards: cardIds
+        }
+        if (hasEatCard) {
+            repData.target = targetCard.id
+        }
+        self.reply('discard_card_c2s', repData);
     }
 
     /**
diff --git a/src/robot/RobotClient.ts b/src/robot/RobotClient.ts
index 64de35c..390e46e 100644
--- a/src/robot/RobotClient.ts
+++ b/src/robot/RobotClient.ts
@@ -145,12 +145,24 @@ export class RobotClient implements Client {
         if (!cards) {
             return;
         }
-        let cardIds = cards.map(o => o.id);
+        let cardIds: number[] = [];
+        let hasEatCard = false;
+        for (let card of cards) {
+            if (!targetCard || (targetCard && card.id !== targetCard.id)) {
+                cardIds.push(card.id);
+            }
+            if (targetCard && card.id == targetCard.id) {
+                hasEatCard = true
+            }
+        }
         log(`discard: ${self.sessionId} ${cardIds}`);
-        self.reply('discard_card_c2s', {
-            cards: cardIds,
-            target: targetCard.id
-        });
+        let repData: any = {
+            cards: cardIds
+        }
+        if (hasEatCard) {
+            repData.target = targetCard.id
+        }
+        self.reply('discard_card_c2s', repData);
     }
 
     /**