From db3da52f83f1c0ed174e0b169b9908f6cb5b02c9 Mon Sep 17 00:00:00 2001
From: dijunkun <junkun.di@hotmail.com>
Date: Thu, 5 Feb 2026 17:15:59 +0800
Subject: [PATCH] [feat] clear cached fingerprint when verification fails

---
 src/gui/render_callback.cpp | 13 ++++++++++---
 submodules/minirtc          |  2 +-
 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/src/gui/render_callback.cpp b/src/gui/render_callback.cpp
index 29c00e4..98058df 100644
--- a/src/gui/render_callback.cpp
+++ b/src/gui/render_callback.cpp
@@ -440,9 +440,9 @@ void Render::OnReceiveDataBufferCb(const char* data, size_t size,
             const double bps =
                 (static_cast<double>(delta_bytes) * 8.0) / delta_seconds;
             if (bps > 0.0) {
-              const double capped =
-                  (std::min)(bps, static_cast<double>(
-                                      (std::numeric_limits<uint32_t>::max)()));
+              const double capped = (std::min)(
+                  bps,
+                  static_cast<double>((std::numeric_limits<uint32_t>::max)()));
               estimated_rate_bps = static_cast<uint32_t>(capped);
             }
           }
@@ -613,6 +613,10 @@ void Render::OnSignalStatusCb(SignalStatus status, const char* user_id,
       render->signal_connected_ = false;
     } else if (SignalStatus::SignalServerClosed == status) {
       render->signal_connected_ = false;
+    } else if (SignalStatus::SignalFingerprintMismatch == status) {
+      render->signal_connected_ = false;
+      LOG_ERROR("[{}] signal server fingerprint mismatch", client_id);
+      render->config_center_->ClearCertFingerprint();
     }
   } else {
     if (client_id.rfind("C-", 0) != 0) {
@@ -640,6 +644,9 @@ void Render::OnSignalStatusCb(SignalStatus status, const char* user_id,
       props->signal_connected_ = false;
     } else if (SignalStatus::SignalServerClosed == status) {
       props->signal_connected_ = false;
+    } else if (SignalStatus::SignalFingerprintMismatch == status) {
+      props->signal_connected_ = false;
+      LOG_ERROR("[{}] signal server fingerprint mismatch", remote_id);
     }
   }
 }
diff --git a/submodules/minirtc b/submodules/minirtc
index 36773cf..6ba4cfc 160000
--- a/submodules/minirtc
+++ b/submodules/minirtc
@@ -1 +1 @@
-Subproject commit 36773cfe207f21fb1c4692f04474891f4bcf76b7
+Subproject commit 6ba4cfc80e93f19995041e71b0c1f35d0a9d4167