From b4bcb377eccef946eba125789469f32c4727e18e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=8E=E9=B9=8F=E5=86=9B?= <2357729423@qq.com>
Date: Mon, 27 May 2024 17:29:51 +0800
Subject: [PATCH] =?UTF-8?q?fix=EF=BC=9Ahash=20key=E4=B8=8D=E5=AD=98?=
 =?UTF-8?q?=E5=9C=A8=E9=97=AE=E9=A2=98?=
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---
 src/SJZY.Track.Application/CAP/CAPFilter.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/SJZY.Track.Application/CAP/CAPFilter.cs b/src/SJZY.Track.Application/CAP/CAPFilter.cs
index 6522599b..036c1e34 100644
--- a/src/SJZY.Track.Application/CAP/CAPFilter.cs
+++ b/src/SJZY.Track.Application/CAP/CAPFilter.cs
@@ -30,7 +30,7 @@ public class CapFilter : SubscribeFilter
 
         if (!string.IsNullOrEmpty(argumentJsonStr))
         {
-            var hash = context.DeliverMessage.Headers["sjzy-arguments-hash"];
+            context.DeliverMessage.Headers.TryGetValue("sjzy-arguments-hash", out var hash);
             if (hash.IsNullOrEmpty()) // 计算参数hash
             {
                 hash = GetHash(argumentJsonStr);