diff --git a/src/main/kotlin/dsm/pick2024/domain/application/service/QueryMyApplicationService.kt b/src/main/kotlin/dsm/pick2024/domain/application/service/QueryMyApplicationService.kt
index 7625dfd80..47d0c24e8 100644
--- a/src/main/kotlin/dsm/pick2024/domain/application/service/QueryMyApplicationService.kt
+++ b/src/main/kotlin/dsm/pick2024/domain/application/service/QueryMyApplicationService.kt
@@ -37,7 +37,7 @@ class QueryMyApplicationService(
             start = application.start.take(5),
             end = application.end!!.take(5),
             reason = application.reason,
-            profile = profileUrl?.substringBefore("?"),
+            profile = profileUrl,
             grade = user.grade,
             classNum = user.classNum,
             num = user.num,
diff --git a/src/main/kotlin/dsm/pick2024/domain/timetable/presentation/dto/response/TimetableResponse.kt b/src/main/kotlin/dsm/pick2024/domain/timetable/presentation/dto/response/TimetableResponse.kt
index 9dede9a76..55f28d1a9 100644
--- a/src/main/kotlin/dsm/pick2024/domain/timetable/presentation/dto/response/TimetableResponse.kt
+++ b/src/main/kotlin/dsm/pick2024/domain/timetable/presentation/dto/response/TimetableResponse.kt
@@ -24,8 +24,9 @@ data class DayTimetableResponse(
                 break
             }
 
-            val imageUrl =
-                fileUtil.generateObjectUrl("$subjectName.png", PathList.TIMETABLE)
+            val imageUrl = subjectName?.let {
+                fileUtil.generateObjectUrl("$it.png", PathList.TIMETABLE)
+            }
 
             dayTimetableResponses.add(PeriodTimetableResponse(id, period, subjectName, imageUrl))
         }
diff --git a/src/main/kotlin/dsm/pick2024/domain/timetable/service/QueryTeacherTimetableService.kt b/src/main/kotlin/dsm/pick2024/domain/timetable/service/QueryTeacherTimetableService.kt
index d16619c4c..528b32064 100644
--- a/src/main/kotlin/dsm/pick2024/domain/timetable/service/QueryTeacherTimetableService.kt
+++ b/src/main/kotlin/dsm/pick2024/domain/timetable/service/QueryTeacherTimetableService.kt
@@ -32,7 +32,10 @@ class QueryTeacherTimetableService(
 
             val timetables = (1..7).mapNotNull { period ->
                 tables.find { it.period == period }?.let { timetable ->
-                    val imageUrl = fileUtil.generateObjectUrl("${timetable.subjectName}.png", PathList.TIMETABLE)
+                    val imageUrl = fileUtil.generateObjectUrl(
+                        "${timetable.subjectName}.png",
+                        PathList.TIMETABLE
+                    )
                     PeriodTimetableResponse(timetable.id!!, period, timetable.subjectName, imageUrl)
                 }
             }
diff --git a/src/main/kotlin/dsm/pick2024/domain/user/service/QueryUserDetaileInfoService.kt b/src/main/kotlin/dsm/pick2024/domain/user/service/QueryUserDetaileInfoService.kt
index 0c6a1d0e3..19d953cf1 100644
--- a/src/main/kotlin/dsm/pick2024/domain/user/service/QueryUserDetaileInfoService.kt
+++ b/src/main/kotlin/dsm/pick2024/domain/user/service/QueryUserDetaileInfoService.kt
@@ -21,7 +21,7 @@ class QueryUserDetaileInfoService(
         val profileUrl = user.profile?.let { fileUtil.generateObjectUrl(it, PathList.PROFILE) }
 
         return QueryUserDetailsInfoResponse(
-            profile = profileUrl?.substringBefore("?"),
+            profile = profileUrl,
             userName = user.name,
             grade = user.grade,
             classNum = user.classNum,
diff --git a/src/main/kotlin/dsm/pick2024/domain/user/service/QueryUserSimpleInfoService.kt b/src/main/kotlin/dsm/pick2024/domain/user/service/QueryUserSimpleInfoService.kt
index a3df96ee4..21464a930 100644
--- a/src/main/kotlin/dsm/pick2024/domain/user/service/QueryUserSimpleInfoService.kt
+++ b/src/main/kotlin/dsm/pick2024/domain/user/service/QueryUserSimpleInfoService.kt
@@ -24,7 +24,7 @@ class QueryUserSimpleInfoService(
             user.grade,
             user.classNum,
             user.num,
-            profileUrl?.substringBefore("?")
+            profileUrl
         )
     }
 }
diff --git a/src/main/resources/application.yaml b/src/main/resources/application.yaml
index e1140c46c..1ca8bde26 100644
--- a/src/main/resources/application.yaml
+++ b/src/main/resources/application.yaml
@@ -106,7 +106,6 @@ firebase:
         url:
             host: ${FIREBASE_HOST}
             path: ${FIREBASE_PATH}
-            key: ${FIREBASE_KEY_JSON}
             credentials: ${FIREBASE_CREDENTIALS_URL}
 
 google: