diff --git a/CMakeLists.txt b/CMakeLists.txt
index c5f8d2a..68688cf 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -16,6 +16,8 @@ set(${PROJECT_NAME}_SOURCES
         include/featherlog/log_formatter.hpp
         include/featherlog/log_level.hpp
         include/featherlog/log_message.hpp
+        include/featherlog/flog_definitions.h
+        include/featherlog/push_result.hpp
         src/log_manager.cpp)
 
 # 生成静态库
@@ -29,8 +31,7 @@ add_compile_definitions(FLOG_DLL_MODE)
 add_compile_definitions(FLOG_BUILDING_DLL)
 
 # 生成动态库
-add_library(${PROJECT_NAME}_shared SHARED ${${PROJECT_NAME}_SOURCES}
-        include/featherlog/flog_definitions.h)
+add_library(${PROJECT_NAME}_shared SHARED ${${PROJECT_NAME}_SOURCES})
 target_include_directories(${PROJECT_NAME}_shared PUBLIC include)
 set_target_properties(${PROJECT_NAME}_shared PROPERTIES
         OUTPUT_NAME ${PROJECT_NAME}
diff --git a/include/featherlog/log_manager.hpp b/include/featherlog/log_manager.hpp
index a55898c..7014c1c 100644
--- a/include/featherlog/log_manager.hpp
+++ b/include/featherlog/log_manager.hpp
@@ -6,7 +6,6 @@
 #include <mutex>
 #include <shared_mutex>
 #include <unordered_map>
-#include <vector>
 
 #include <featherlog/logger.hpp>
 #include <featherlog/log_level.hpp>
@@ -24,14 +23,15 @@ namespace flog {
         LogManager(LogManager &&) = delete;
         LogManager &operator=(LogManager &&) = delete;
 
-        static std::shared_ptr<LogManager> FLOG_CALL create();
+        _NODISCARD static std::shared_ptr<LogManager> FLOG_CALL create();
 
-        ~LogManager();
+        ~LogManager() = default;
 
         LogLevel FLOG_CALL get_min_log_level() const noexcept;
         void FLOG_CALL set_min_log_level(LogLevel level) noexcept;
 
-        void FLOG_CALL add_outputter(std::unique_ptr<LogOutputter> outputter);
+        PushResult FLOG_CALL add_outputter(const std::string& name, std::unique_ptr<LogOutputter> outputter);
+        std::optional<LogOutputter> FLOG_CALL get_outputter() noexcept;
 
         std::shared_ptr<Logger> FLOG_CALL get_logger(const std::string &name);
 
@@ -45,7 +45,7 @@ namespace flog {
         std::atomic<LogLevel> m_minLogLevel{LogLevel::DEBUG};
 
         mutable std::shared_mutex m_logOutputtersMutex;
-        std::vector<std::unique_ptr<LogOutputter>> m_logOutputters;
+        std::unordered_map<std::string, std::unique_ptr<LogOutputter>> m_logOutputters;
 
         mutable std::mutex m_loggersMutex;
         std::unordered_map<std::string, std::shared_ptr<Logger>> m_loggers;
diff --git a/include/featherlog/push_result.hpp b/include/featherlog/push_result.hpp
new file mode 100644
index 0000000..e65971e
--- /dev/null
+++ b/include/featherlog/push_result.hpp
@@ -0,0 +1,24 @@
+#ifndef FEATHERLOG_PUSH_RESULT_HPP
+#define FEATHERLOG_PUSH_RESULT_HPP
+
+#include <optional>
+
+namespace flog {
+    template <typename T>
+    class PushResult {
+    public:
+        static PushResult getVoid() {
+            return PushResult(3);
+        }
+
+    private:
+        explicit PushResult(std::optional<T> value) : m_value(value) {
+            std::optional<T> bad;
+            std::map<int, std::optional<T>> mp;
+        }
+
+        std::optional<T> m_value;
+    };
+}
+
+#endif
diff --git a/src/log_manager.cpp b/src/log_manager.cpp
index 9bc699d..bfe252b 100644
--- a/src/log_manager.cpp
+++ b/src/log_manager.cpp
@@ -6,17 +6,6 @@ namespace flog {
         return std::shared_ptr<LogManager>(new LogManager());
     }
 
-    LogManager::~LogManager() {
-        {
-            std::lock_guard lock(m_loggersMutex);
-            m_loggers.clear();
-        }
-        {
-            std::lock_guard lock(m_logOutputtersMutex);
-            m_logOutputters.clear();
-        }
-    }
-
     LogLevel LogManager::get_min_log_level() const noexcept {
         return m_minLogLevel.load(std::memory_order_relaxed);
     }
@@ -25,9 +14,13 @@ namespace flog {
         m_minLogLevel.store(level, std::memory_order_relaxed);
     }
 
-    void LogManager::add_outputter(std::unique_ptr<LogOutputter> outputter) {
+    bool LogManager::add_outputter(const std::string& name, std::unique_ptr<LogOutputter> outputter) {
         std::lock_guard lock(m_logOutputtersMutex);
-        m_logOutputters.push_back(std::move(outputter));
+        if (m_logOutputters.contains(name)) {
+            return false;
+        }
+        m_logOutputters[name] = std::move(outputter);
+        return true;
     }
 
     std::shared_ptr<Logger> LogManager::get_logger(const std::string &name) {