From fad83eb12adff9676396738d0f7415254a8d31b4 Mon Sep 17 00:00:00 2001
From: erichuyuehu <erichuyuehu@tencent.com>
Date: Tue, 22 Aug 2023 14:12:44 +0800
Subject: [PATCH] =?UTF-8?q?fix:=E4=BF=AE=E5=A4=8D=E5=BF=AB=E6=89=8B?=
 =?UTF-8?q?=E9=97=AA=E9=80=80=E7=9A=84=E9=97=AE=E9=A2=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 MSDKDns/CacheManager/MSDKDnsManager.m | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/MSDKDns/CacheManager/MSDKDnsManager.m b/MSDKDns/CacheManager/MSDKDnsManager.m
index 7822b6f..0f028bb 100644
--- a/MSDKDns/CacheManager/MSDKDnsManager.m
+++ b/MSDKDns/CacheManager/MSDKDnsManager.m
@@ -1155,14 +1155,9 @@ - (void)detectHttpDnsServers {
 }
 
 - (NSString *)currentDnsServer {
-    // int index = self.serverIndex;
-    // if (index < [[[MSDKDnsParamsManager shareInstance] msdkDnsGetServerIps] count]) {
-    //     return  [[[MSDKDnsParamsManager shareInstance] msdkDnsGetServerIps] objectAtIndex:index];
-    // }
-    // return  [[MSDKDnsParamsManager shareInstance] msdkDnsGetMDnsIp];
     int index = self.serverIndex;
-    if (index < [self.dnsServers count]) {
-        return  [self.dnsServers objectAtIndex:index];
+    if (self.dnsServers != nil && [self.dnsServers count] > 0 && index >= 0 && index < [self.dnsServers count]) {
+        return self.dnsServers[index];
     }
     return  [[self defaultServers] firstObject];
 }