diff --git a/src/main/kotlin/com/ray650128/pcredive/Application.kt b/src/main/kotlin/com/ray650128/pcredive/Application.kt
index e91e76c..53a32f8 100644
--- a/src/main/kotlin/com/ray650128/pcredive/Application.kt
+++ b/src/main/kotlin/com/ray650128/pcredive/Application.kt
@@ -1,15 +1,21 @@
 package com.ray650128.pcredive
 
+import ch.qos.logback.classic.Level
+import ch.qos.logback.classic.LoggerContext
 import com.ray650128.pcredive.database.model.MemberRecord
 import com.ray650128.pcredive.database.model.Record
 import com.ray650128.pcredive.database.service.MemberRecordService
 import com.ray650128.pcredive.database.service.MemberService
 import io.ktor.server.application.*
 import com.ray650128.pcredive.plugins.*
+import org.slf4j.LoggerFactory
 import java.util.*
 
 fun main(args: Array<String>) {
     startTimer()
+    val loggerContext = LoggerFactory.getILoggerFactory() as LoggerContext
+    val rootLogger = loggerContext.getLogger("org.mongodb.driver")
+    rootLogger.level = Level.OFF
     io.ktor.server.netty.EngineMain.main(args)
 }