diff --git a/.clang-format b/.clang-format
index 43fd511e..272dae40 100644
--- a/.clang-format
+++ b/.clang-format
@@ -14,6 +14,3 @@ DisableFormat: true
 # Ignore json file
 Language: Json
 DisableFormat: true
-
-Language: Proto
-DisableFormat: true
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index 47d23529..39821c17 100644
--- a/.gitignore
+++ b/.gitignore
@@ -34,4 +34,5 @@
 #
 .idea
 *build*
-.vscode
\ No newline at end of file
+.vscode
+.cache
diff --git a/cmake/platform.cmake b/cmake/platform.cmake
index 8031b601..2d347647 100644
--- a/cmake/platform.cmake
+++ b/cmake/platform.cmake
@@ -1,5 +1,5 @@
 if (MSVC)
 	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /std:c++latest")
 else ()
-	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pthread -std=c++17")
+	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pthread -ldl -std=c++17")
 endif ()
\ No newline at end of file
diff --git a/ormpp/sqlite.hpp b/ormpp/sqlite.hpp
index 6bc02c4c..c741b9ba 100644
--- a/ormpp/sqlite.hpp
+++ b/ormpp/sqlite.hpp
@@ -31,10 +31,10 @@ class sqlite {
 
   std::string get_last_error() const { return last_error_; }
 
-  template <typename... Args>
-  bool connect(Args &&...args) {
+  template <typename Arg, typename... Args>
+  bool connect(Arg &&arg, Args &&...) {
     reset_error();
-    auto r = sqlite3_open(std::forward<Args>(args)..., &handle_);
+    auto r = sqlite3_open(std::forward<Arg>(arg), &handle_);
     if (r != SQLITE_OK) {
       set_last_error(sqlite3_errmsg(handle_));
       return false;
@@ -42,6 +42,8 @@ class sqlite {
     return true;
   }
 
+  bool ping() { return true; }
+
   template <typename... Args>
   bool disconnect(Args &&...args) {
     if (handle_ != nullptr) {