From 72b672344b99f03b582d48f57e38b15335c6b48a Mon Sep 17 00:00:00 2001
From: zogodo <742782908@qq.com>
Date: Sun, 12 Jan 2020 13:20:14 +0800
Subject: [PATCH] bug

---
 TC1/user_power.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/TC1/user_power.c b/TC1/user_power.c
index b893feb..e475f1a 100644
--- a/TC1/user_power.c
+++ b/TC1/user_power.c
@@ -60,6 +60,7 @@ void SetPowerRecord(PowerRecord* pr, uint32_t pw)
 char* GetPowerRecord(int idx)
 {
     if (idx > power_record.idx) return "";
+    idx = idx <= power_record.idx - PW_NUM ? 0 : idx;
 
     int i = idx > 0 ? idx : (power_record.idx - PW_NUM + 1);
     i = i < 0 ? 0 : i;