diff --git a/candy-service/CMakeLists.txt b/candy-service/CMakeLists.txt
index 20f5f700..33720d36 100644
--- a/candy-service/CMakeLists.txt
+++ b/candy-service/CMakeLists.txt
@@ -8,6 +8,7 @@ target_include_directories(candy-service PUBLIC
 
 set_target_properties(candy-service PROPERTIES OUTPUT_NAME "candy-service")
 
+target_link_libraries(candy-service PRIVATE spdlog::spdlog)
 target_link_libraries(candy-service PRIVATE Poco::Foundation Poco::Net Poco::JSON Poco::Util)
 target_link_libraries(candy-service PRIVATE Threads::Threads)
 target_link_libraries(candy-service PRIVATE Candy::Library)
diff --git a/candy-service/src/main.cc b/candy-service/src/main.cc
index ffd090b6..fe3754a5 100644
--- a/candy-service/src/main.cc
+++ b/candy-service/src/main.cc
@@ -1,5 +1,6 @@
 #include "candy/client.h"
 #include <Poco/Exception.h>
+#include <Poco/File.h>
 #include <Poco/JSON/Object.h>
 #include <Poco/JSON/Parser.h>
 #include <Poco/Net/HTTPRequestHandler.h>
@@ -19,6 +20,8 @@
 #include <iterator>
 #include <map>
 #include <mutex>
+#include <spdlog/sinks/rotating_file_sink.h>
+#include <spdlog/spdlog.h>
 #include <sstream>
 #include <thread>
 
@@ -143,6 +146,8 @@ class CandyServiceApp : public Poco::Util::ServerApplication {
     std::string bindAddress;
     int port = 0;
     bool helpRequested = false;
+    std::string logdir;
+    std::string loglevel;
 
     void initialize(Poco::Util::Application &self) override {
         loadConfiguration();
@@ -162,6 +167,16 @@ class CandyServiceApp : public Poco::Util::ServerApplication {
                               .repeatable(false)
                               .argument("address:port")
                               .callback(Poco::Util::OptionCallback<CandyServiceApp>(this, &CandyServiceApp::handleBind)));
+        options.addOption(Poco::Util::Option("logdir", "", "Specify log directory")
+                              .required(false)
+                              .repeatable(false)
+                              .argument("path")
+                              .callback(Poco::Util::OptionCallback<CandyServiceApp>(this, &CandyServiceApp::handleLogDir)));
+        options.addOption(Poco::Util::Option("loglevel", "", "Specify log level")
+                              .required(false)
+                              .repeatable(false)
+                              .argument("level")
+                              .callback(Poco::Util::OptionCallback<CandyServiceApp>(this, &CandyServiceApp::handleLogLevel)));
     }
 
     void handleHelp(const std::string &name, const std::string &value) {
@@ -186,6 +201,14 @@ class CandyServiceApp : public Poco::Util::ServerApplication {
         }
     }
 
+    void handleLogDir(const std::string &name, const std::string &dir) {
+        this->logdir = dir;
+    }
+
+    void handleLogLevel(const std::string &name, const std::string &level) {
+        this->loglevel = level;
+    }
+
     void displayHelp() {
         Poco::Util::HelpFormatter helpFormatter(options());
         helpFormatter.setCommand(commandName());
@@ -197,6 +220,16 @@ class CandyServiceApp : public Poco::Util::ServerApplication {
             return Poco::Util::Application::EXIT_OK;
         }
 
+        if (!logdir.empty()) {
+            Poco::File(logdir).createDirectories();
+            auto logger = spdlog::rotating_logger_mt("app", logdir + "/app.log", 10 * 1024 * 1024, 5, true);
+            spdlog::set_default_logger(logger);
+        }
+
+        if (!loglevel.empty()) {
+            spdlog::set_level(spdlog::level::from_str(loglevel));
+        }
+
         if (bindAddress.empty()) {
             bindAddress = "localhost";
             port = 26817;