diff --git a/app/src/main/java/com/chaeda/chaeda/presentation/assignment/add/AddAssignmentActivity.kt b/app/src/main/java/com/chaeda/chaeda/presentation/assignment/add/AddAssignmentActivity.kt
index e4abbf7..f094a2e 100644
--- a/app/src/main/java/com/chaeda/chaeda/presentation/assignment/add/AddAssignmentActivity.kt
+++ b/app/src/main/java/com/chaeda/chaeda/presentation/assignment/add/AddAssignmentActivity.kt
@@ -48,6 +48,10 @@ class AddAssignmentActivity
             binding.tvFab.text = "과제 수정하기"
         }
         with(binding) {
+            llBack.setOnSingleClickListener {
+                finish()
+            }
+
             fab.setOnSingleClickListener {
                 if (addAssignmentViewModel.assignmentValid.value) {
                     if (isEditable) addAssignmentViewModel.editAssignment(id)
diff --git a/app/src/main/java/com/chaeda/chaeda/presentation/review/add/AddProblemPhotoActivity.kt b/app/src/main/java/com/chaeda/chaeda/presentation/review/add/AddProblemPhotoActivity.kt
index 7fb5c4e..8f02172 100644
--- a/app/src/main/java/com/chaeda/chaeda/presentation/review/add/AddProblemPhotoActivity.kt
+++ b/app/src/main/java/com/chaeda/chaeda/presentation/review/add/AddProblemPhotoActivity.kt
@@ -75,7 +75,7 @@ class AddProblemPhotoActivity
 
         subjects = Subject.values()
         subject = subjects!![0]
-        if (tsubject != "") initForResultReview()
+        if (tsubject != null) initForResultReview()
         chapters = subject!!.chapters
         chapter = chapters!![0]
 
diff --git a/app/src/main/java/com/chaeda/chaeda/presentation/review/add/AddProblemViewModel.kt b/app/src/main/java/com/chaeda/chaeda/presentation/review/add/AddProblemViewModel.kt
index 1ed4092..3ffe11c 100644
--- a/app/src/main/java/com/chaeda/chaeda/presentation/review/add/AddProblemViewModel.kt
+++ b/app/src/main/java/com/chaeda/chaeda/presentation/review/add/AddProblemViewModel.kt
@@ -110,7 +110,7 @@ class AddProblemViewModel @Inject constructor(
     }
 
     companion object {
-        private const val DATE_REGEX = "^(\\d{4})-(\\d{2})-(\\d{2})\$"
+        private const val DATE_REGEX = "^(\\d{4}).(\\d{2}).(\\d{2})\$"
         const val IMAGE_TYPE_HOMEWORK_THUMBNAIL = "HOMEWORK_THUMBNAIL"
         const val IMAGE_TYPE_REVIEW_NOTE_PROBLEM = "REVIEW_NOTE_PROBLEM"
     }
diff --git a/app/src/main/java/com/chaeda/chaeda/presentation/signup/SignUpActivity.kt b/app/src/main/java/com/chaeda/chaeda/presentation/signup/SignUpActivity.kt
index 720917d..6c3c16b 100644
--- a/app/src/main/java/com/chaeda/chaeda/presentation/signup/SignUpActivity.kt
+++ b/app/src/main/java/com/chaeda/chaeda/presentation/signup/SignUpActivity.kt
@@ -2,6 +2,7 @@ package com.chaeda.chaeda.presentation.signup
 
 import android.content.Context
 import android.content.Intent
+import android.graphics.Color
 import android.os.Bundle
 import android.text.Editable
 import android.text.TextWatcher
@@ -25,6 +26,13 @@ class SignUpActivity
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
+        this.window?.apply {
+//            this.statusBarColor = Color.TRANSPARENT
+            this.statusBarColor = Color.parseColor("#FFFFFF")
+//            decorView.systemUiVisibility =
+//                View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
+        }
+
         binding.vm = signUpViewModel
         binding.lifecycleOwner = this
         initListener()
diff --git a/app/src/main/java/com/chaeda/chaeda/presentation/statistics/chapter/StatisticsChapterFragment.kt b/app/src/main/java/com/chaeda/chaeda/presentation/statistics/chapter/StatisticsChapterFragment.kt
index b10c77e..918d056 100644
--- a/app/src/main/java/com/chaeda/chaeda/presentation/statistics/chapter/StatisticsChapterFragment.kt
+++ b/app/src/main/java/com/chaeda/chaeda/presentation/statistics/chapter/StatisticsChapterFragment.kt
@@ -6,7 +6,6 @@ import android.util.Log
 import android.view.View
 import android.widget.AdapterView
 import android.widget.ArrayAdapter
-import android.widget.Toast
 import androidx.appcompat.widget.AppCompatTextView
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.activityViewModels
@@ -195,7 +194,7 @@ class StatisticsChapterFragment
                 override fun onItemSelected(parent: AdapterView<*>, view: View?, position: Int, id: Long) {
                     // 선택된 아이템의 텍스트 가져오기
                     chapter = parent.getItemAtPosition(position) as Chapter
-                    Toast.makeText(requireActivity(), "${chapter.koreanName}", Toast.LENGTH_SHORT).show()
+//                    Toast.makeText(requireActivity(), "${chapter.koreanName}", Toast.LENGTH_SHORT).show()
 //                    if (selectedItem != "학년 선택하기") signUpViewModel.updateGrade(selectedItem)
 //                    else signUpViewModel.updateGrade("")
 //                    setGraph(selectedItem)
diff --git a/app/src/main/java/com/chaeda/chaeda/presentation/statistics/count/StatisticsCountFragment.kt b/app/src/main/java/com/chaeda/chaeda/presentation/statistics/count/StatisticsCountFragment.kt
index ec35ddf..d83450a 100644
--- a/app/src/main/java/com/chaeda/chaeda/presentation/statistics/count/StatisticsCountFragment.kt
+++ b/app/src/main/java/com/chaeda/chaeda/presentation/statistics/count/StatisticsCountFragment.kt
@@ -218,7 +218,7 @@ class StatisticsCountFragment
         val endOfWeek = date.plusDays(6)
         binding.tvStandardText.text = when (mode) {
             MODE_DATE -> "${date.year}년 ${date.monthValue}월 ${date.dayOfMonth}일 (${DAY_OF_WEEK[date.dayOfWeek.value - 1]})"
-            MODE_WEEK -> "${date.year}년 ${date.monthValue}월 ${date.dayOfMonth}일 ~ ${endOfWeek.year}년 ${endOfWeek.monthValue}월 ${endOfWeek.dayOfMonth}일"
+            MODE_WEEK -> "${date.year}년 ${date.monthValue}월 ${date.dayOfMonth}일\n~ ${endOfWeek.year}년 ${endOfWeek.monthValue}월 ${endOfWeek.dayOfMonth}일"
             MODE_MONTH -> "${date.year}년 ${date.monthValue}월"
             else -> ""
         }
diff --git a/app/src/main/java/com/chaeda/chaeda/presentation/statistics/type/StatisticsTypeDetailActivity.kt b/app/src/main/java/com/chaeda/chaeda/presentation/statistics/type/StatisticsTypeDetailActivity.kt
index 2c426bb..827ac4e 100644
--- a/app/src/main/java/com/chaeda/chaeda/presentation/statistics/type/StatisticsTypeDetailActivity.kt
+++ b/app/src/main/java/com/chaeda/chaeda/presentation/statistics/type/StatisticsTypeDetailActivity.kt
@@ -18,6 +18,7 @@ import com.chaeda.domain.enumSet.Concept
 import com.chaeda.domain.enumSet.Subject
 import dagger.hilt.android.AndroidEntryPoint
 import kotlinx.coroutines.launch
+import timber.log.Timber
 
 @AndroidEntryPoint
 class StatisticsTypeDetailActivity
@@ -45,14 +46,13 @@ class StatisticsTypeDetailActivity
             val subjectEnum = Subject.valueOf(chapterEnum.subject)
             tvConcept.text = conceptEnum.koreanName
             tvChapter.text = chapterEnum.koreanName
-            tvChapter.text = subjectEnum.koreanName
+            tvSubject.text = subjectEnum.koreanName
         }
         requestStatistics()
     }
 
     private fun updateView(concept: ConceptDetail) {
         with(binding) {
-//            tv
             tvSolved.text = "${concept.problemCount}문제"
             tvWrong.text = "${concept.wrongCount}문제"
             tvEasy.text = "${concept.easyNum}문제"
@@ -62,7 +62,7 @@ class StatisticsTypeDetailActivity
     }
 
     private fun requestStatistics() {
-        when (mode) {
+        when (cur_mode) {
             MODE_ALL -> {
                 viewModel.getAccumulatedStatisticsByType(type!!)
             }
@@ -78,6 +78,10 @@ class StatisticsTypeDetailActivity
 
     private fun initListener() {
         with(binding) {
+            llBack.setOnSingleClickListener {
+                finish()
+            }
+
             llCheckAll.setOnSingleClickListener {
                 ivCheckAll.setImageResource(R.drawable.ic_radio_checked)
                 ivCheckMonth.setImageResource(R.drawable.ic_radio_unchecked)
@@ -109,14 +113,20 @@ class StatisticsTypeDetailActivity
             viewModel.statisticsState.collect { state ->
                 when (state) {
                     is StatisticsState.GetWeeklyStatisticsDetail -> {
+                        Timber.tag("chaeda-detail").d("weekly success - ${state.concept}")
                         updateView(state.concept)
                     }
                     is StatisticsState.GetMontlyStatisticsDetail -> {
+                        Timber.tag("chaeda-detail").d("monthly success - ${state.concept}")
                         updateView(state.concept)
                     }
                     is StatisticsState.GetAccumulatedStatisticsDetail -> {
+                        Timber.tag("chaeda-detail").d("accumulated success - ${state.concept}")
                         updateView(state.concept)
                     }
+                    is StatisticsState.Failure -> {
+                        Timber.tag("chaeda-detail").d("failure - ${state.msg}")
+                    }
                     else -> {
 
                     }
diff --git a/app/src/main/java/com/chaeda/chaeda/presentation/statistics/wrong/StatisticsWrongFragment.kt b/app/src/main/java/com/chaeda/chaeda/presentation/statistics/wrong/StatisticsWrongFragment.kt
index 2d7244d..3e4c243 100644
--- a/app/src/main/java/com/chaeda/chaeda/presentation/statistics/wrong/StatisticsWrongFragment.kt
+++ b/app/src/main/java/com/chaeda/chaeda/presentation/statistics/wrong/StatisticsWrongFragment.kt
@@ -125,7 +125,7 @@ class StatisticsWrongFragment
                 navigateTo<StatisticsFragment>()
             }
             val endOfWeek = date.plusDays(6)
-            tvStandardText.text = "${date.year}년 ${date.monthValue}월 ${date.dayOfMonth}일 ~ ${endOfWeek.year}년 ${endOfWeek.monthValue}월 ${endOfWeek.dayOfMonth}일"
+            tvStandardText.text = "${date.year}년 ${date.monthValue}월 ${date.dayOfMonth}일\n~ ${endOfWeek.year}년 ${endOfWeek.monthValue}월 ${endOfWeek.dayOfMonth}일"
         }
         requestWrongCount()
     }
@@ -198,7 +198,7 @@ class StatisticsWrongFragment
     private fun setStandardText() {
         val endOfWeek = date.plusDays(6)
         binding.tvStandardText.text = when (mode) {
-            MODE_WEEK -> "${date.year}년 ${date.monthValue}월 ${date.dayOfMonth}일 ~ ${endOfWeek.year}년 ${endOfWeek.monthValue}월 ${endOfWeek.dayOfMonth}일"
+            MODE_WEEK -> "${date.year}년 ${date.monthValue}월 ${date.dayOfMonth}일\n~ ${endOfWeek.year}년 ${endOfWeek.monthValue}월 ${endOfWeek.dayOfMonth}일"
             MODE_MONTH -> "${date.year}년 ${date.monthValue}월"
             else -> ""
         }
diff --git a/app/src/main/java/com/chaeda/chaeda/presentation/textbook/TextbookActivity.kt b/app/src/main/java/com/chaeda/chaeda/presentation/textbook/TextbookActivity.kt
index 63b6827..cd1a5d3 100644
--- a/app/src/main/java/com/chaeda/chaeda/presentation/textbook/TextbookActivity.kt
+++ b/app/src/main/java/com/chaeda/chaeda/presentation/textbook/TextbookActivity.kt
@@ -50,6 +50,9 @@ class TextbookActivity
             tvAdd.setOnSingleClickListener {
                 startActivity(AddTextbookActivity.getIntent(this@TextbookActivity))
             }
+            llBack.setOnSingleClickListener {
+                finish()
+            }
         }
     }
 
diff --git a/app/src/main/java/com/chaeda/chaeda/presentation/textbook/add/AddTextbookActivity.kt b/app/src/main/java/com/chaeda/chaeda/presentation/textbook/add/AddTextbookActivity.kt
index 0b1eb0b..d4a66b5 100644
--- a/app/src/main/java/com/chaeda/chaeda/presentation/textbook/add/AddTextbookActivity.kt
+++ b/app/src/main/java/com/chaeda/chaeda/presentation/textbook/add/AddTextbookActivity.kt
@@ -90,6 +90,10 @@ class AddTextbookActivity
 
     private fun initListener() {
         with(binding) {
+            llBack.setOnSingleClickListener {
+                finish()
+            }
+
             tvAddFile.setOnSingleClickListener {
                 openFilePicker()
             }
diff --git a/app/src/main/java/com/chaeda/chaeda/presentation/textbook/list/TextbookListActivity.kt b/app/src/main/java/com/chaeda/chaeda/presentation/textbook/list/TextbookListActivity.kt
index 3276f05..904dc2a 100644
--- a/app/src/main/java/com/chaeda/chaeda/presentation/textbook/list/TextbookListActivity.kt
+++ b/app/src/main/java/com/chaeda/chaeda/presentation/textbook/list/TextbookListActivity.kt
@@ -7,6 +7,7 @@ import androidx.activity.viewModels
 import androidx.lifecycle.lifecycleScope
 import androidx.recyclerview.widget.LinearLayoutManager
 import com.chaeda.base.BindingActivity
+import com.chaeda.base.util.extension.setOnSingleClickListener
 import com.chaeda.chaeda.R
 import com.chaeda.chaeda.databinding.ActivityTextbookListBinding
 import com.chaeda.chaeda.presentation.textbook.TextbookState
@@ -55,15 +56,9 @@ class TextbookListActivity
 
     private fun initListener() {
         with(binding) {
-//            fab.setOnSingleClickListener {
-//                // 결과를 전달하기 위해 Intent를 생성합니다.
-//                val resultIntent = Intent().apply {
-//                    putExtra("textbookId", textbookViewModel.textbookId.value)
-//                    putExtra("textbookName", textbookViewModel.textbookName.value)
-//                }
-//                setResult(RESULT_OK, resultIntent)
-//                finish()
-//            }
+            llBack.setOnSingleClickListener {
+                finish()
+            }
         }
     }
 
diff --git a/app/src/main/res/layout/fragment_statistics.xml b/app/src/main/res/layout/fragment_statistics.xml
index 5a93f82..851c254 100644
--- a/app/src/main/res/layout/fragment_statistics.xml
+++ b/app/src/main/res/layout/fragment_statistics.xml
@@ -88,7 +88,7 @@
             android:layout_height="wrap_content"
             android:text="@string/statistics_count_subtitle"
             android:fontFamily="@font/nanumsquare_regular"
-            android:textSize="13sp"
+            android:textSize="11sp"
             android:textColor="#717171"
             app:layout_constraintTop_toBottomOf="@id/tv_count_title"
             app:layout_constraintStart_toStartOf="@id/tv_count_title"
@@ -135,7 +135,7 @@
             android:layout_height="wrap_content"
             android:text="@string/statistics_wrong_subtitle"
             android:fontFamily="@font/nanumsquare_regular"
-            android:textSize="13sp"
+            android:textSize="11sp"
             android:textColor="#717171"
             app:layout_constraintTop_toBottomOf="@id/tv_wrong_title"
             app:layout_constraintStart_toStartOf="@id/tv_wrong_title"
@@ -182,7 +182,7 @@
             android:layout_height="wrap_content"
             android:text="@string/statistics_chapter_subtitle"
             android:fontFamily="@font/nanumsquare_regular"
-            android:textSize="13sp"
+            android:textSize="11sp"
             android:textColor="#717171"
             app:layout_constraintTop_toBottomOf="@id/tv_chapter_title"
             app:layout_constraintStart_toStartOf="@id/tv_chapter_title"
@@ -205,7 +205,7 @@
             android:layout_height="wrap_content"
             android:text="@string/statistics_detail_comment"
             android:fontFamily="@font/nanumsquare_regular"
-            android:textSize="13sp"
+            android:textSize="11sp"
             android:textColor="#717171"
             app:layout_constraintTop_toBottomOf="@id/divider4"
             app:layout_constraintStart_toStartOf="parent"
diff --git a/core/data/src/main/java/com/chaeda/data/datasoure/remote/RemoteStatisticsDataSource.kt b/core/data/src/main/java/com/chaeda/data/datasoure/remote/RemoteStatisticsDataSource.kt
index 23accbf..874a2a6 100644
--- a/core/data/src/main/java/com/chaeda/data/datasoure/remote/RemoteStatisticsDataSource.kt
+++ b/core/data/src/main/java/com/chaeda/data/datasoure/remote/RemoteStatisticsDataSource.kt
@@ -1,5 +1,6 @@
 package com.chaeda.data.datasoure.remote
 
+import com.chaeda.data.model.response.statistics.toConceptDetail
 import com.chaeda.data.service.StatisticsService
 import com.chaeda.domain.entity.ChapterDetail
 import com.chaeda.domain.entity.ConceptDetail
@@ -42,19 +43,19 @@ class RemoteStatisticsDataSource @Inject constructor(
     suspend fun getAccumulatedStatisticsByType(
         subConcept: String
     ): ConceptDetail {
-        return statisticsService.getAccumulatedStatisticsByType(subConcept)
+        return statisticsService.getAccumulatedStatisticsByType(subConcept).toConceptDetail()
     }
 
     suspend fun getMonthlyStatisticsByType(
         subConcept: String
     ): ConceptDetail {
-        return statisticsService.getMonthlyStatisticsByType(subConcept)
+        return statisticsService.getMonthlyStatisticsByType(subConcept).toConceptDetail()
     }
 
     suspend fun getWeeklyStatisticsByType(
         subConcept: String
     ): ConceptDetail {
-        return statisticsService.getWeeklyStatisticsByType(subConcept)
+        return statisticsService.getWeeklyStatisticsByType(subConcept).toConceptDetail()
     }
 
     suspend fun getChapterListBySubject(
diff --git a/core/data/src/main/java/com/chaeda/data/model/response/statistics/ConceptStatisticsDTO.kt b/core/data/src/main/java/com/chaeda/data/model/response/statistics/ConceptStatisticsDTO.kt
new file mode 100644
index 0000000..4c68c52
--- /dev/null
+++ b/core/data/src/main/java/com/chaeda/data/model/response/statistics/ConceptStatisticsDTO.kt
@@ -0,0 +1,18 @@
+package com.chaeda.data.model.response.statistics
+
+import com.chaeda.domain.entity.ConceptDetail
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class ConceptStatisticsDTO (
+    val subConcept: String,
+    val problemCount: Int,
+    val wrongCount: Int,
+    val easyNum: Int,
+    val middleNum: Int,
+    val hardNum: Int
+)
+
+fun ConceptStatisticsDTO.toConceptDetail(): ConceptDetail {
+    return ConceptDetail(null, null, subConcept, problemCount, wrongCount, easyNum, middleNum, hardNum)
+}
\ No newline at end of file
diff --git a/core/data/src/main/java/com/chaeda/data/service/StatisticsService.kt b/core/data/src/main/java/com/chaeda/data/service/StatisticsService.kt
index 60dca25..b47bcbf 100644
--- a/core/data/src/main/java/com/chaeda/data/service/StatisticsService.kt
+++ b/core/data/src/main/java/com/chaeda/data/service/StatisticsService.kt
@@ -1,5 +1,6 @@
 package com.chaeda.data.service
 
+import com.chaeda.data.model.response.statistics.ConceptStatisticsDTO
 import com.chaeda.domain.entity.ChapterDetail
 import com.chaeda.domain.entity.ConceptDetail
 import com.chaeda.domain.entity.WrongCountWithConcept
@@ -36,17 +37,17 @@ interface StatisticsService {
     @GET("/statistics/statistics/accumulated/{subConcept}")
     suspend fun getAccumulatedStatisticsByType(
         @Path("subConcept") subConcept: String
-    ): ConceptDetail
+    ): ConceptStatisticsDTO
 
     @GET("/statistics/statistics/monthly/{subConcept}")
     suspend fun getMonthlyStatisticsByType(
         @Path("subConcept") subConcept: String
-    ): ConceptDetail
+    ): ConceptStatisticsDTO
 
     @GET("/statistics/statistics/weekly/{subConcept}")
     suspend fun getWeeklyStatisticsByType(
         @Path("subConcept") subConcept: String
-    ): ConceptDetail
+    ): ConceptStatisticsDTO
 
     // not in use
     @GET("/statistics/chapter/list")