diff --git a/.github/workflows/code-coverage.yml b/.github/workflows/code-coverage.yml
index 6c4c8e26..80ac8a56 100644
--- a/.github/workflows/code-coverage.yml
+++ b/.github/workflows/code-coverage.yml
@@ -14,7 +14,7 @@ jobs:
         fetch-depth: 2
     
     - name: Configure cmake
-      run:  cmake -B${{github.workspace}}/build -DCOVERAGE_TEST=ON -DCINATRA_ENABLE_SSL=ON -DCMAKE_BUILD_TYPE=Debug
+      run:  cmake -B${{github.workspace}}/build -DCOVERAGE_TEST=ON -DENABLE_SSL=ON -DCINATRA_ENABLE_SSL=ON -DCMAKE_BUILD_TYPE=Debug
 
     - name: Build with ${{ matrix.compiler }}
       run:  cmake --build ${{github.workspace}}/build --config Debug
diff --git a/cmake/develop.cmake b/cmake/develop.cmake
index 51d3174b..1863de94 100644
--- a/cmake/develop.cmake
+++ b/cmake/develop.cmake
@@ -71,10 +71,6 @@ if (ENABLE_SSL)
 	message(STATUS "Use SSL")
 endif()
 
-if(ENABLE_GZIP)
-	add_definitions(-DCINATRA_ENABLE_GZIP)
-endif()
-
 if(ENABLE_CLIENT_SSL)
 	add_definitions(-DCINATRA_ENABLE_CLIENT_SSL)
 endif()
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index bb321a80..b7a4bb98 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -19,6 +19,11 @@ if(ENABLE_METRIC_JSON)
 	)
 endif()
 
+find_package(ZLIB)
+if (ZLIB_FOUND)
+    add_definitions(-DCINATRA_ENABLE_GZIP)
+endif ()
+
 option(SKIP_TIME_TEST "skip time tests" OFF)
 if(SKIP_TIME_TEST) 
 	message(STATUS "skip time tests")
@@ -27,7 +32,7 @@ endif()
 
 add_test(NAME ${project_name} COMMAND test_cinatra)
 
-if (ENABLE_GZIP)
+if (ZLIB_FOUND)
 	target_link_libraries(${project_name} ${ZLIB_LIBRARIES})
 endif()
 
diff --git a/tests/test_cinatra.cpp b/tests/test_cinatra.cpp
index c5aa414d..e184acb5 100644
--- a/tests/test_cinatra.cpp
+++ b/tests/test_cinatra.cpp
@@ -1484,8 +1484,8 @@ TEST_CASE("test coro_http_client multipart upload") {
 #ifdef CINATRA_ENABLE_SSL
 TEST_CASE("test ssl upload") {
   coro_http_server server(1, 8091);
-  server.init_ssl("../openssl_files/server.crt", "../openssl_files/server.key",
-                  "test");
+  server.init_ssl("../../include/cinatra/server.crt",
+                  "../../include/cinatra/server.key", "test");
   server.set_http_handler<cinatra::PUT>(
       "/upload",
       [](coro_http_request &req,
@@ -1556,8 +1556,8 @@ TEST_CASE("test ssl upload") {
   }
 
   cinatra::coro_http_server server1(1, 9002);
-  server1.init_ssl("../openssl_files/server.crt", "../openssl_files/server.key",
-                   "test");
+  server1.init_ssl("../../include/cinatra/server.crt",
+                   "../../include/cinatra/server.key", "test");
   server1.set_http_handler<cinatra::GET, cinatra::PUT>(
       "/chunked",
       [](coro_http_request &req,
diff --git a/tests/test_coro_http_server.cpp b/tests/test_coro_http_server.cpp
index d9852153..b6d4f1f9 100644
--- a/tests/test_coro_http_server.cpp
+++ b/tests/test_coro_http_server.cpp
@@ -1181,8 +1181,8 @@ TEST_CASE("test websocket with different message size") {
 TEST_CASE("test ssl server") {
   cinatra::coro_http_server server(1, 9001);
   std::cout << std::filesystem::current_path() << "\n";
-  server.init_ssl("../openssl_files/server.crt", "../openssl_files/server.key",
-                  "test");
+  server.init_ssl("../../include/cinatra/server.crt",
+                  "../../include/cinatra/server.key", "test");
   server.set_http_handler<GET, POST>(
       "/ssl", [](coro_http_request &req, coro_http_response &resp) {
         resp.set_status_and_content(status_type::ok, "ssl");
@@ -1541,6 +1541,11 @@ TEST_CASE("test reverse proxy") {
 }
 
 TEST_CASE("test reverse proxy websocket") {
+  {
+    coro_http_server proxy_server(1, 9005);
+    CHECK_THROWS_AS(proxy_server.set_websocket_proxy_handler("/ws_echo", {}),
+                    std::invalid_argument);
+  }
   coro_http_server server(1, 9001);
   server.set_http_handler<cinatra::GET>(
       "/ws_echo",