From 7c7a537475fca02f426a0895218cc69086840483 Mon Sep 17 00:00:00 2001
From: yicheng <11733500+yichengchen@users.noreply.github.com>
Date: Fri, 10 Jul 2020 20:17:27 +0800
Subject: [PATCH] fix: crash in proxy tool

---
 ProxyConfigHelper/ProxySettingTool.m | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/ProxyConfigHelper/ProxySettingTool.m b/ProxyConfigHelper/ProxySettingTool.m
index 87fad4f..ef6a052 100644
--- a/ProxyConfigHelper/ProxySettingTool.m
+++ b/ProxyConfigHelper/ProxySettingTool.m
@@ -119,8 +119,10 @@
         CFRelease(store);
         return nil;
     }
-    CFRelease(result);
-    result = NULL;
+    if (result != NULL) {
+        CFRelease(result);
+        result = NULL;
+    }
     CFRelease(store);
     char *dir = getpwuid(uid)->pw_dir;
     NSString *path = [NSString stringWithUTF8String:dir];