diff --git a/src/main/kotlin/com/example/onui/domain/timeline/presentation/TimelineController.kt b/src/main/kotlin/com/example/onui/domain/timeline/presentation/TimelineController.kt
index 2613ea0..4313475 100644
--- a/src/main/kotlin/com/example/onui/domain/timeline/presentation/TimelineController.kt
+++ b/src/main/kotlin/com/example/onui/domain/timeline/presentation/TimelineController.kt
@@ -8,6 +8,9 @@ import org.springframework.web.bind.annotation.*
 import java.time.LocalDate
 import java.time.format.DateTimeParseException
 import java.util.*
+import javax.validation.constraints.Min
+import javax.validation.constraints.NotBlank
+import javax.validation.constraints.NotNull
 
 @Validated
 @RestController
@@ -22,9 +25,9 @@ class TimelineController(
 
     @GetMapping
     fun getByDate(
-        @RequestParam("idx", required = true) idx: Int = 0,
-        @RequestParam("size", required = true) size: Int = 5,
-        @RequestParam("date", required = true) date: String
+        @RequestParam("idx", required = true) @NotNull idx: Int = 0,
+        @RequestParam("size", required = true) @NotNull @Min(1) size: Int = 5,
+        @RequestParam("date", required = true) @NotBlank date: String
     ) = try {
         timelineService.searchByDate(idx, size, LocalDate.parse(date))
     } catch (e: DateTimeParseException) {
diff --git a/src/main/kotlin/com/example/onui/global/config/querydsl/QuerydslConfig.kt b/src/main/kotlin/com/example/onui/global/config/querydsl/QuerydslConfig.kt
index 0e20321..8bc532c 100644
--- a/src/main/kotlin/com/example/onui/global/config/querydsl/QuerydslConfig.kt
+++ b/src/main/kotlin/com/example/onui/global/config/querydsl/QuerydslConfig.kt
@@ -1,10 +1,8 @@
 package com.example.onui.global.config.querydsl
 
 import com.querydsl.jpa.impl.JPAQueryFactory
-
 import org.springframework.context.annotation.Bean
 import org.springframework.context.annotation.Configuration
-
 import javax.persistence.EntityManager
 import javax.persistence.PersistenceContext
 
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index e345ed7..6262cb8 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -34,8 +34,8 @@ spring:
     properties:
       hibernate:
         format_sql: false
-        show_sql: true
-        use_sql_comments: false
+        show_sql: false
+        use_sql_comments: true
     open-in-view: false
 
 # server