From cffbf22341ba8fc5a60a37fe20a2b39ec3d8d7a3 Mon Sep 17 00:00:00 2001
From: lcy <1459594991@qq.com>
Date: 星期二, 07 四月 2026 14:05:27 +0800
Subject: [PATCH] 0312 添加判断SDKUtils_json有没有channelSign防护

---
 Main/SDK/SDKUtils.cs |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/Main/SDK/SDKUtils.cs b/Main/SDK/SDKUtils.cs
index 218b2ec..f28b9a0 100644
--- a/Main/SDK/SDKUtils.cs
+++ b/Main/SDK/SDKUtils.cs
@@ -553,8 +553,10 @@
                     break;
                 }
             case CodeA2U.FreePlatformInitOk:
-
-                channelSign = _json["channelSign"].ToString();
+                if (_json.ContainsKey("channelSign"))
+                {
+                    channelSign = _json["channelSign"].ToString();
+                }
                 if (onFreePlatformInitOk != null)
                 {
                     onFreePlatformInitOk();

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