diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 20e07e9..2bf84a2 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -18,7 +18,7 @@ jobs:
       - name: Cache xmake dependencies
         uses: actions/cache@v4
         with:
-          path: ~/.xmake/packages
+          path: /home/runner/.xmake/packages
           key: ${{ runner.os }}-xmake-deps-linux-${{ hashFiles('**/xmake.lua') }}
           restore-keys: |
             ${{ runner.os }}-xmake-deps-linux-
diff --git a/src/signal_server.cpp b/src/signal_server.cpp
index ea03b0c..3ae95ff 100644
--- a/src/signal_server.cpp
+++ b/src/signal_server.cpp
@@ -73,7 +73,7 @@ context_ptr SignalServer::OnTlsInit(websocketpp::connection_hdl hdl) {
         asio::ssl::context::default_workarounds | asio::ssl::context::no_sslv2 |
         asio::ssl::context::no_sslv3 | asio::ssl::context::single_dh_use);
 
-    std::string cert_file = certs_dir_ + "crossdesk.cn_bundle.crt";
+    std::string cert_file = certs_dir_ + "/crossdesk.cn_bundle.crt";
     std::string key_file = certs_dir_ + "/crossdesk.cn.key";
     ctx->use_certificate_chain_file(cert_file);
     ctx->use_private_key_file(key_file, asio::ssl::context::pem);