From 9cecc19ad69eb45b82587ffa91e4a8d1159b189e Mon Sep 17 00:00:00 2001
From: Diego <45224689+tangmengqiu@users.noreply.github.com>
Date: Sat, 8 Nov 2025 18:51:13 -0500
Subject: [PATCH] fix the arrary out of range (#782)

---
 market/data.go | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/market/data.go b/market/data.go
index a4b2c475..e5675d43 100644
--- a/market/data.go
+++ b/market/data.go
@@ -42,6 +42,14 @@ func Get(symbol string) (*Data, error) {
 		return nil, fmt.Errorf("获取4小时K线失败: %v", err)
 	}
 
+	// 检查数据是否为空
+	if len(klines3m) == 0 {
+		return nil, fmt.Errorf("3分钟K线数据为空")
+	}
+	if len(klines4h) == 0 {
+		return nil, fmt.Errorf("4小时K线数据为空")
+	}
+
 	// 计算当前指标 (基于3分钟最新数据)
 	currentPrice := klines3m[len(klines3m)-1].Close
 	currentEMA20 := calculateEMA(klines3m, 20)