diff --git a/gradle.properties b/gradle.properties
index 1b57c05..ab4a9cd 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,6 +1,6 @@
 ## Core
 
-VERSION = 0.7.0.14
+VERSION = 0.7.0.15
 
 CODENAME = fuzhou
 
diff --git a/src/main/java/cc/sukazyo/cono/morny/GradleProjectConfigures.java b/src/main/java/cc/sukazyo/cono/morny/GradleProjectConfigures.java
index 48e6fba..f471d62 100644
--- a/src/main/java/cc/sukazyo/cono/morny/GradleProjectConfigures.java
+++ b/src/main/java/cc/sukazyo/cono/morny/GradleProjectConfigures.java
@@ -4,7 +4,7 @@ package cc.sukazyo.cono.morny;
  * the final field that will be updated by gradle automatically.
  */
 public class GradleProjectConfigures {
-	public static final String VERSION = "0.7.0.14";
+	public static final String VERSION = "0.7.0.15";
 	public static final String CODENAME = "fuzhou";
-	public static final long COMPILE_TIMESTAMP = 1653924732379L;
+	public static final long COMPILE_TIMESTAMP = 1653968380239L;
 }
diff --git a/src/main/java/cc/sukazyo/cono/morny/daemon/MedicationTimer.java b/src/main/java/cc/sukazyo/cono/morny/daemon/MedicationTimer.java
index f081bf2..36d464a 100644
--- a/src/main/java/cc/sukazyo/cono/morny/daemon/MedicationTimer.java
+++ b/src/main/java/cc/sukazyo/cono/morny/daemon/MedicationTimer.java
@@ -2,7 +2,9 @@ package cc.sukazyo.cono.morny.daemon;
 
 import cc.sukazyo.cono.morny.MornyCoeur;
 import cc.sukazyo.cono.morny.data.TelegramStickers;
+import com.pengrad.telegrambot.request.PinChatMessage;
 import com.pengrad.telegrambot.request.SendSticker;
+import com.pengrad.telegrambot.response.SendResponse;
 
 import static cc.sukazyo.cono.morny.Log.logger;
 
@@ -33,7 +35,8 @@ public class MedicationTimer extends Thread {
 	}
 	
 	private static void sendNotification () {
-		MornyCoeur.extra().exec(new SendSticker(NOTIFY_RECEIVE_CHAT, TelegramStickers.ID_PROGYNOVA));
+		SendResponse m = MornyCoeur.extra().exec(new SendSticker(NOTIFY_RECEIVE_CHAT, TelegramStickers.ID_PROGYNOVA));
+		if (m.isOk()) MornyCoeur.extra().exec(new PinChatMessage(NOTIFY_RECEIVE_CHAT, m.message().messageId()));
 	}
 	
 	private static long calcNextRoutineTimestamp () {