diff --git a/backend/internal/router/app/account.go b/backend/internal/router/app/account.go
index 5705cef..c8d7443 100644
--- a/backend/internal/router/app/account.go
+++ b/backend/internal/router/app/account.go
@@ -203,8 +203,24 @@ func handleAppHeartbeat(c *gin.Context) {
 		}
 	}
 
-	response.SuccessWithMessage(c, "心跳成功", gin.H{
+	// 根据运营模式返回不同参数
+	heartbeatData := gin.H{
 		"message": "心跳成功",
-		"balance": user.Balance,
-	})
+	}
+
+	// 永久会员返回永久标识
+	if user.Balance == -1 {
+		heartbeatData["is_permanent"] = true
+	} else if app.BillingType == "subscription" {
+		// 订阅模式返回到期时间
+		if user.ExpiryAt != nil {
+			heartbeatData["expiry_at"] = user.ExpiryAt.Format("2006-01-02 15:04:05")
+			heartbeatData["expiry_timestamp"] = user.ExpiryAt.Unix()
+		}
+	} else if app.BillingType != "free" {
+		// 余额模式返回余额
+		heartbeatData["balance"] = user.Balance
+	}
+
+	response.SuccessWithMessage(c, "心跳成功", heartbeatData)
 }