fix

http_server.hpp

@@ -148,6 +148,15 @@ namespace cinatra {
 			return (std::make_tuple(t) || ... || std::make_tuple(args));
 		}
 
+		template<typename T>
+		auto filter(const T& t) {
+			return std::make_tuple(t);
+		}
+
+		auto filter(enable_cache<bool>) {
+			return std::tuple<>();
+		}
+
 		template<typename T>
 		bool need_cache(T&& t) {
 			if constexpr(std::is_same_v<T, enable_cache<bool>>) {
@@ -162,14 +171,14 @@ namespace cinatra {
 		template<http_method... Is, typename Function, typename... AP>
 		void set_http_handler(std::string_view name, Function&& f, AP&&... ap) {
 			if constexpr(has_type<enable_cache<bool>, std::tuple<std::decay_t<AP>...>>::value) {//for cache
-				bool b = false;
-				((!b&&(b = need_cache(std::forward<AP>(ap))), false),...);
+				bool b = true;
+				((b&&(b = need_cache(std::forward<AP>(ap))), false),...);
 				if (b) {
 					http_cache::add_skip(name);
 				}
 				auto tp = filter(std::forward<AP>(ap)...);
 				auto lm = [this, name, f = std::move(f)](auto... ap) {
-					set_http_handler<Is...>(name, std::move(f), std::move(ap)...);
+					http_router_.register_handler<Is...>(name, std::move(f), std::move(ap)...);
 				};
 				std::apply(lm, std::move(tp));
 			}
@@ -263,19 +272,23 @@ namespace cinatra {
 	};
 
 	template <typename T, typename U>
-	auto operator||(T n, U l) {
+	auto operator||(const T& n, const U& l) {
 		return std::tuple_cat(n, l);
 	}
 
 	template <typename U>
-	auto operator||(std::tuple<enable_cache<bool>> n, const U& l) {
+	auto operator||(std::tuple<enable_cache<bool>> , const U& l) {
 		return l;
 	}
 
 	template <typename T>
-	auto operator||(const T& n, std::tuple<enable_cache<bool>> l) {
+	auto operator||(const T& n, std::tuple<enable_cache<bool>> ) {
 		return n;
 	}
 
+	auto operator||(std::tuple<enable_cache<bool>> , std::tuple<enable_cache<bool>> ) {
+		return std::tuple<>();
+	}
+
 	using http_server = http_server_<io_service_pool>;
 }

main.cpp

@@ -51,9 +51,10 @@ int main() {
 
     server.set_base_path("base_path","/feather");
 	server.enable_http_cache(true);//set global cache
+
 	server.set_http_handler<GET, POST>("/", [](const request& req, response& res) {
 		res.set_status_and_content(status_type::ok, "hello world");
-	}, enable_cache{ false });
+	});
 
 	server.set_http_handler<GET, POST>("/login", [](const request& req, response& res) {
 		auto session = res.start_session();
@@ -104,7 +105,7 @@ int main() {
 		json["number"] = 100.005;
 		json["name"] = "中文";
 		res.render_json(json);
-	});
+	}, enable_cache{ false });
 
 	server.set_http_handler<GET,POST>("/redirect",[](const request& req, response& res){
 		res.redirect("http://www.baidu.com"); // res.redirect("/json");