diff --git a/.idea/misc.xml b/.idea/misc.xml
index f6899e2e..c727cda3 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -40,7 +40,7 @@
       </value>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">
diff --git a/app/build.gradle b/app/build.gradle
index 8b5720e3..d84d0457 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -21,8 +21,8 @@ android {
         targetSdkVersion target_sdk_version
         minSdkVersion min_sdk_version
 
-        versionCode 361
-        versionName "3.6.1"
+        versionCode 362
+        versionName "3.6.2"
         applicationId "jp.juggler.subwaytooter"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 
diff --git a/app/src/main/java/jp/juggler/subwaytooter/ActAccountSetting.kt b/app/src/main/java/jp/juggler/subwaytooter/ActAccountSetting.kt
index eaf268eb..53f392be 100644
--- a/app/src/main/java/jp/juggler/subwaytooter/ActAccountSetting.kt
+++ b/app/src/main/java/jp/juggler/subwaytooter/ActAccountSetting.kt
@@ -150,6 +150,8 @@ class ActAccountSetting
 	private lateinit var listFieldValueInvalidator : List<NetworkEmojiInvalidator>
 	private lateinit var btnFields : View
 	
+	private lateinit var etMaxTootChars : EditText
+	
 	///////////////////////////////////////////////////
 	
 	internal var visibility = TootVisibility.Public
@@ -296,6 +298,7 @@ class ActAccountSetting
 		btnProfileHeader = findViewById(R.id.btnProfileHeader)
 		etDisplayName = findViewById(R.id.etDisplayName)
 		etDefaultText = findViewById(R.id.etDefaultText)
+		etMaxTootChars = findViewById(R.id.etMaxTootChars)
 		btnDisplayName = findViewById(R.id.btnDisplayName)
 		etNote = findViewById(R.id.etNote)
 		btnNote = findViewById(R.id.btnNote)
@@ -362,7 +365,7 @@ class ActAccountSetting
 		name_invalidator = NetworkEmojiInvalidator(handler, etDisplayName)
 		note_invalidator = NetworkEmojiInvalidator(handler, etNote)
 		default_text_invalidator = NetworkEmojiInvalidator(handler, etDefaultText)
-		
+
 		listFieldNameInvalidator = listEtFieldName.map {
 			NetworkEmojiInvalidator(handler, it)
 		}
@@ -393,6 +396,40 @@ class ActAccountSetting
 			}
 		})
 		
+		etMaxTootChars.addTextChangedListener(object : TextWatcher {
+			override fun beforeTextChanged(
+				s : CharSequence?,
+				start : Int,
+				count : Int,
+				after : Int
+			) {
+			}
+			
+			override fun onTextChanged(
+				s : CharSequence?,
+				start : Int,
+				before : Int,
+				count : Int
+			) {
+			}
+			
+			override fun afterTextChanged(s : Editable?) {
+				val num = etMaxTootChars.parseInt()
+				if( num != null && num >= 0){
+					saveUIToData()
+				}
+			}
+		})
+		
+	}
+	
+	private fun EditText.parseInt():Int?{
+		val sv = this.text?.toString() ?: return null
+		return try{
+			Integer.parseInt(sv,10)
+		}catch(ex:Throwable){
+			null
+		}
 	}
 	
 	private fun loadUIFromData(a : SavedAccount) {
@@ -431,7 +468,8 @@ class ActAccountSetting
 		notification_sound_uri = a.sound_uri
 		
 		etDefaultText.setText(a.default_text)
-		
+		etMaxTootChars.setText(a.max_toot_chars.toString())
+
 		loading = false
 		
 		val enabled = ! a.isPseudo
@@ -502,7 +540,14 @@ class ActAccountSetting
 		account.confirm_unfavourite = cbConfirmUnfavourite.isChecked
 		account.confirm_post = cbConfirmToot.isChecked
 		account.default_text = etDefaultText.text.toString()
-		
+
+		val num = etMaxTootChars.parseInt()
+		account.max_toot_chars = if( num != null && num >= 0){
+			num
+		}else{
+			0
+		}
+
 		account.saveSetting()
 		
 	}
@@ -1303,7 +1348,7 @@ class ActAccountSetting
 	private fun openPicker(permission_request_code : Int) {
 		val permissionCheck = ContextCompat.checkSelfPermission(
 			this,
-			android.Manifest.permission.WRITE_EXTERNAL_STORAGE
+			Manifest.permission.WRITE_EXTERNAL_STORAGE
 		)
 		if(permissionCheck != PackageManager.PERMISSION_GRANTED) {
 			preparePermission(permission_request_code)
diff --git a/app/src/main/java/jp/juggler/subwaytooter/ActPost.kt b/app/src/main/java/jp/juggler/subwaytooter/ActPost.kt
index 4335b983..3fe2e5a3 100644
--- a/app/src/main/java/jp/juggler/subwaytooter/ActPost.kt
+++ b/app/src/main/java/jp/juggler/subwaytooter/ActPost.kt
@@ -844,9 +844,9 @@ class ActPost : AppCompatActivity(),
 						
 						val decodeOptions = DecodeOptions(this, mentionFullAcct = true)
 						
-						var text : CharSequence = if( account.isMisskey){
+						var text : CharSequence = if(account.isMisskey) {
 							base_status.content ?: ""
-						}else{
+						} else {
 							decodeOptions.decodeHTML(base_status.content)
 						}
 						etContent.setText(text)
@@ -1250,10 +1250,11 @@ class ActPost : AppCompatActivity(),
 			}
 			
 			else -> {
-				val info = account.instance
 				
-				// 情報がないか古いなら再取得
+				// インスタンス情報を確認する
+				val info = account.instance
 				if(info == null || System.currentTimeMillis() - info.time_parse >= 300000L) {
+					// 情報がないか古いなら再取得
 					
 					// 同時に実行するタスクは1つまで
 					var lastTask = lastInstanceTask
@@ -1293,7 +1294,13 @@ class ActPost : AppCompatActivity(),
 				if(max != null && max > 0) return max
 			}
 		}
-		return 500
+		
+		// アカウント設定で指定した値があるならそれを使う
+		val forceMaxTootChars = account?.max_toot_chars
+		return when {
+			forceMaxTootChars != null && forceMaxTootChars > 0 -> forceMaxTootChars
+			else -> 500
+		}
 	}
 	
 	private fun updateTextCount() {
diff --git a/app/src/main/java/jp/juggler/subwaytooter/App1.kt b/app/src/main/java/jp/juggler/subwaytooter/App1.kt
index c45f74bb..cb8e8cbf 100644
--- a/app/src/main/java/jp/juggler/subwaytooter/App1.kt
+++ b/app/src/main/java/jp/juggler/subwaytooter/App1.kt
@@ -115,8 +115,8 @@ class App1 : Application() {
 		// 2018/12/6 v317 35 => 36 ContentWarningテーブルの作り直し。
 		// 2019/6/4 v351 36 => 37 SavedAccount テーブルに項目追加。
 		// 2019/6/4 v351 37 => 38 SavedAccount テーブルに項目追加。
-
-		internal const val DB_VERSION = 38
+		// 2019/8/12 v362 38 => 39 SavedAccount テーブルに項目追加。
+		internal const val DB_VERSION = 39
 		
 		private val tableList = arrayOf(
 			LogData,
diff --git a/app/src/main/java/jp/juggler/subwaytooter/table/SavedAccount.kt b/app/src/main/java/jp/juggler/subwaytooter/table/SavedAccount.kt
index 7ca3bbac..d224546e 100644
--- a/app/src/main/java/jp/juggler/subwaytooter/table/SavedAccount.kt
+++ b/app/src/main/java/jp/juggler/subwaytooter/table/SavedAccount.kt
@@ -64,6 +64,8 @@ class SavedAccount(
 	var default_sensitive = false
 	var expand_cw = false
 	
+	var max_toot_chars = 0
+	
 	private val refInstance = AtomicReference<TootInstance>(null)
 	
 	// DBには保存しない
@@ -158,6 +160,7 @@ class SavedAccount(
 
 		this.default_sensitive = cursor.getBoolean(COL_DEFAULT_SENSITIVE)
 		this.expand_cw = cursor.getBoolean(COL_EXPAND_CW)
+		this.max_toot_chars = cursor.getInt(COL_MAX_TOOT_CHARS)
 		
 	}
 	
@@ -219,6 +222,7 @@ class SavedAccount(
 		
 		cv.put(COL_DEFAULT_SENSITIVE, default_sensitive.b2i())
 		cv.put(COL_EXPAND_CW, expand_cw.b2i())
+		cv.put(COL_MAX_TOOT_CHARS,max_toot_chars)
 		
 		// UIからは更新しない
 		// notification_tag
@@ -430,6 +434,7 @@ class SavedAccount(
 
 		private const val COL_DEFAULT_SENSITIVE = "default_sensitive"
 		private const val COL_EXPAND_CW = "expand_cw"
+		private const val COL_MAX_TOOT_CHARS = "max_toot_chars"
 		
 		/////////////////////////////////
 		// login information
@@ -503,6 +508,9 @@ class SavedAccount(
 					+ ",$COL_DEFAULT_SENSITIVE integer default 0"
 					+ ",$COL_EXPAND_CW integer default 0"
 					
+					// スキーマ39から
+					+ ",$COL_MAX_TOOT_CHARS integer default 0"
+					
 					+ ")"
 			)
 			db.execSQL("create index if not exists ${table}_user on ${table}(u)")
@@ -663,6 +671,14 @@ class SavedAccount(
 				}
 				
 			}
+			
+			if(oldVersion < 39 && newVersion >= 39) {
+				try {
+					db.execSQL("alter table $table add column $COL_MAX_TOOT_CHARS integer default 0")
+				} catch(ex : Throwable) {
+					log.trace(ex)
+				}
+			}
 		}
 		
 		// 横断検索用の、何とも紐ついていないアカウント
diff --git a/app/src/main/res/layout/act_account_setting.xml b/app/src/main/res/layout/act_account_setting.xml
index 3fde1be2..19754d87 100644
--- a/app/src/main/res/layout/act_account_setting.xml
+++ b/app/src/main/res/layout/act_account_setting.xml
@@ -723,6 +723,24 @@
 
         <View style="@style/setting_divider"/>
 
+        <TextView
+            style="@style/setting_row_label"
+            android:text="@string/max_toot_chars"
+            />
+
+        <LinearLayout style="@style/setting_row_form">
+
+            <EditText
+                android:id="@+id/etMaxTootChars"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:inputType="number"
+                />
+
+        </LinearLayout>
+
+        <View style="@style/setting_divider"/>
+
         <!--<View style="@style/setting_divider"/>-->
 
         <!--<TextView-->
diff --git a/app/src/main/res/values-ja/strings.xml b/app/src/main/res/values-ja/strings.xml
index 8f0c2e08..911cbbe8 100644
--- a/app/src/main/res/values-ja/strings.xml
+++ b/app/src/main/res/values-ja/strings.xml
@@ -922,5 +922,6 @@
     <string name="top">上</string>
     <string name="bottom">下</string>
     <string name="switch_button_color">スイッチボタンの色</string>
+    <string name="max_toot_chars">投稿の最大文字数(0:デフォルト。サーバがmax_toot_charsを提供する場合はこの設定は無視されます)</string>
 
 </resources>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 85318b9c..00055c62 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -915,5 +915,6 @@
     <string name="top">Top</string>
     <string name="bottom">Bottom</string>
     <string name="switch_button_color">Switch button color</string>
+    <string name="max_toot_chars">maximum character count in status (0:default. if server provides max_toot_chars, this setting is ignored.)</string>
 
 </resources>
\ No newline at end of file