diff --git a/gradle.properties b/gradle.properties
index f185b84..c5986dd 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,6 +1,6 @@
 ## Core
 
-VERSION = 0.5.0.3
+VERSION = 0.5.0.4
 
 # dependencies
 
diff --git a/src/main/java/cc/sukazyo/cono/morny/GradleProjectConfigures.java b/src/main/java/cc/sukazyo/cono/morny/GradleProjectConfigures.java
index 00ef497..7686e07 100644
--- a/src/main/java/cc/sukazyo/cono/morny/GradleProjectConfigures.java
+++ b/src/main/java/cc/sukazyo/cono/morny/GradleProjectConfigures.java
@@ -4,6 +4,6 @@ package cc.sukazyo.cono.morny;
  * the final field that will be updated by gradle automatically.
  */
 public class GradleProjectConfigures {
-	public static final String VERSION = "0.5.0.3";
-	public static final long COMPILE_TIMESTAMP = 1643617049492L;
+	public static final String VERSION = "0.5.0.4";
+	public static final long COMPILE_TIMESTAMP = 1643885546609L;
 }
diff --git a/src/main/java/cc/sukazyo/cono/morny/MornyCoeur.java b/src/main/java/cc/sukazyo/cono/morny/MornyCoeur.java
index 321b14c..2a7d03c 100644
--- a/src/main/java/cc/sukazyo/cono/morny/MornyCoeur.java
+++ b/src/main/java/cc/sukazyo/cono/morny/MornyCoeur.java
@@ -88,7 +88,7 @@ public class MornyCoeur {
 		}
 		
 		try {
-			final LogInResult loginResult = login(botKey);
+			final LogInResult loginResult = login(botKey, botUsername);
 			this.account = loginResult.account;
 			this.username = loginResult.username;
 			this.trusted = new MornyTrusted(master, trustedChat);
@@ -158,6 +158,7 @@ public class MornyCoeur {
 	 * 用于退出时进行缓存的任务处理等进行安全退出
 	 */
 	private void exitCleanup () {
+		logger.info("clean:save tracker data.");
 		TrackerDataManager.DAEMON.interrupt();
 		TrackerDataManager.trackingLock.lock();
 		if (isRemoveCommandListWhenExit) {
@@ -184,15 +185,15 @@ public class MornyCoeur {
 	 * @return 成功登录后的 {@link TelegramBot} 对象
 	 */
 	@Nonnull
-	private LogInResult login (@Nonnull String key) {
+	private static LogInResult login (@Nonnull String key, @Nullable String requireName) {
 		final TelegramBot account = new TelegramBot(key);
 		logger.info("Trying to login...");
 		for (int i = 1; i < 4; i++) {
 			if (i != 1) logger.info("retrying...");
 			try {
 				final String username = account.execute(new GetMe()).user().username();
-				if (this.username != null && !this.username.equals(username))
-					throw new RuntimeException("Required the bot @" + this.username + " but @" + username + " logged in!");
+				if (requireName != null && !requireName.equals(username))
+					throw new RuntimeException("Required the bot @" + requireName + " but @" + username + " logged in!");
 				logger.info("Succeed login to @" + username);
 				return new LogInResult(account, username);
 			} catch (Exception e) {
diff --git a/src/main/java/cc/sukazyo/cono/morny/ServerMain.java b/src/main/java/cc/sukazyo/cono/morny/ServerMain.java
index 09590b9..b7d9d78 100644
--- a/src/main/java/cc/sukazyo/cono/morny/ServerMain.java
+++ b/src/main/java/cc/sukazyo/cono/morny/ServerMain.java
@@ -130,17 +130,6 @@ public class ServerMain {
 					}
 				}
 				
-			} else {
-				
-				if (key == null) {
-					key = args[i];
-					continue;
-				}
-				if (username == null) {
-					username = args[i];
-					continue;
-				}
-				
 			}
 			
 			logger.warn("Can't understand arg to some meaning :\n  " + args[i]);
@@ -170,7 +159,10 @@ public class ServerMain {
 		if (showWelcome) logger.info(MornyHello.MORNY_PREVIEW_IMAGE_ASCII);
 		if (welcomeEchoMode) return;
 		
-		assert key != null;
+		if (key == null) {
+			logger.info("Parameter required has no value:\n --token.");
+			return;
+		}
 		MornyCoeur.main(
 				key, username,
 				master, trustedChat,
diff --git a/src/main/java/cc/sukazyo/cono/morny/bot/command/GetUsernameAndId.java b/src/main/java/cc/sukazyo/cono/morny/bot/command/GetUsernameAndId.java
index c53e746..f7d136f 100644
--- a/src/main/java/cc/sukazyo/cono/morny/bot/command/GetUsernameAndId.java
+++ b/src/main/java/cc/sukazyo/cono/morny/bot/command/GetUsernameAndId.java
@@ -13,8 +13,6 @@ import com.pengrad.telegrambot.response.GetChatMemberResponse;
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 
-import static cc.sukazyo.untitled.util.telegram.formatting.MsgEscape.escapeHtml;
-
 public class GetUsernameAndId implements ITelegramCommand {
 	
 	@Nonnull @Override public String getName () { return "/user"; }
diff --git a/src/main/java/cc/sukazyo/cono/morny/data/tracker/TrackerDataManager.java b/src/main/java/cc/sukazyo/cono/morny/data/tracker/TrackerDataManager.java
index 06945ab..7b2372f 100644
--- a/src/main/java/cc/sukazyo/cono/morny/data/tracker/TrackerDataManager.java
+++ b/src/main/java/cc/sukazyo/cono/morny/data/tracker/TrackerDataManager.java
@@ -43,7 +43,7 @@ public class TrackerDataManager {
 					logger.info("CALLED TO EXIT! writing cache.");
 				}
 				if (record.size() != 0) {
-					save(reset());
+					save();
 				}
 				else logger.info("nothing to do yet");
 			} while (!postProcess);