diff --git a/app/src/main/java/com/jyn/composecalculator/DateViewModel.kt b/app/src/main/java/com/jyn/composecalculator/DateViewModel.kt
index 77eed48..1f5ceb2 100644
--- a/app/src/main/java/com/jyn/composecalculator/DateViewModel.kt
+++ b/app/src/main/java/com/jyn/composecalculator/DateViewModel.kt
@@ -2,6 +2,7 @@ package com.jyn.composecalculator
 
 import android.app.Application
 import android.widget.Toast
+import androidx.compose.runtime.mutableStateListOf
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.ui.unit.dp
 import androidx.lifecycle.AndroidViewModel
@@ -13,7 +14,7 @@ data class Date(var time: String, var input: String, var result: String)
 
 class DateViewModel(application: Application) : AndroidViewModel(application) {
     var textBoxHeight = 0.dp
-    var results = mutableListOf<Date>().apply {
+    var results = mutableStateListOf<Date>().apply {
         add(Date(getNow(), "24+32", "56"))
         add(Date(getNow(), "32+24", "56"))
         add(Date(getNow(), "32+24-6", "50"))
@@ -27,7 +28,11 @@ class DateViewModel(application: Application) : AndroidViewModel(application) {
     var lastInputText = mutableStateOf("")
 
     fun appendNum(text: String) {
-        inputText.value = inputText.value + text
+        val replace = text.replace("sin", "sin(")
+            .replace("cos", "cos(")
+            .replace("tan", "tan(")
+            .replace("log", "log(")
+        inputText.value = inputText.value + replace
     }
 
     fun appendCompute(text: String) {
@@ -52,8 +57,12 @@ class DateViewModel(application: Application) : AndroidViewModel(application) {
             return
         }
 
-        val expr = inputText.value.replace('×', '*').replace('÷', '/').replace("%", "/100")
-        val expressions = arrayOf('+', '-', '*', '/')
+        val expr = inputText.value
+            .replace('×', '*')
+            .replace('÷', '/')
+            .replace("%", "/100")
+        val expressions =
+            arrayOf("+", "-", "*", "/", "sin", "cos", "tan", "log", "^", "√", "!", "π")
         if (expr.isEmpty()) return
         if (!expressions.any { expr.contains(it) }) {
             return
diff --git a/app/src/main/java/com/jyn/composecalculator/ui/BottomBtnView.kt b/app/src/main/java/com/jyn/composecalculator/ui/BottomBtnView.kt
index f8be9fa..f0a1ad9 100644
--- a/app/src/main/java/com/jyn/composecalculator/ui/BottomBtnView.kt
+++ b/app/src/main/java/com/jyn/composecalculator/ui/BottomBtnView.kt
@@ -28,9 +28,9 @@ import com.jyn.composecalculator.ui.util.textClick
  * Created by jiaoyaning on 2022/8/6.
  */
 val optionColumns = listOf(
-    listOf("INV", "sin", "ln", "π", "("),
+    listOf("DEG", "sin", "ln", "π", "("),
     listOf("RAD", "cos", "log", "e", ")"),
-    listOf("%", "tan", "√", "^", "!")
+    listOf("FACT", "tan", "√", "^", "!")
 )
 
 private val numberColumns = listOf(
diff --git a/app/src/main/java/com/jyn/composecalculator/ui/TopResultView.kt b/app/src/main/java/com/jyn/composecalculator/ui/TopResultView.kt
index 2da31b9..a35713c 100644
--- a/app/src/main/java/com/jyn/composecalculator/ui/TopResultView.kt
+++ b/app/src/main/java/com/jyn/composecalculator/ui/TopResultView.kt
@@ -2,13 +2,14 @@ package com.jyn.composecalculator.ui
 
 import androidx.activity.OnBackPressedCallback
 import androidx.activity.compose.LocalOnBackPressedDispatcherOwner
+import androidx.compose.foundation.ExperimentalFoundationApi
 import androidx.compose.foundation.background
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.gestures.Orientation
 import androidx.compose.foundation.interaction.MutableInteractionSource
 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.lazy.LazyColumn
-import androidx.compose.foundation.lazy.itemsIndexed
+import androidx.compose.foundation.lazy.items
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.*
 import androidx.compose.material.SwipeableDefaults.resistanceConfig
@@ -29,6 +30,7 @@ import androidx.lifecycle.viewmodel.compose.viewModel
 import com.apkfuns.logutils.LogUtils
 import com.jyn.composecalculator.BOTTOM_FRACTION
 import com.jyn.composecalculator.DateViewModel
+import com.jyn.composecalculator.isPortrait
 import com.jyn.composecalculator.ui.theme.evaluator
 import com.jyn.composecalculator.ui.theme.myTheme
 import com.jyn.composecalculator.ui.view.InputText
@@ -91,11 +93,15 @@ fun TopResultView() {
         shadowElevation = 3.dp
     ) {
         process = state.offset.value / blockSizePx
-        TextBox(1 - process, onClick = {
-            coroutineScope.launch {
-                state.animateTo(true, SwipeableDefaults.AnimationSpec)
+        Row() {
+            Box(modifier = Modifier.weight(1f)) {
+                TextBox(1 - process) {
+                    coroutineScope.launch {
+                        state.animateTo(!state.targetValue, SwipeableDefaults.AnimationSpec)
+                    }
+                }
             }
-        })
+        }
     }
 
     val callback = remember {
@@ -121,6 +127,7 @@ fun TopResultView() {
 /**
  * 计算布局 & 历史列表
  */
+@OptIn(ExperimentalFoundationApi::class, ExperimentalMaterialApi::class)
 @Composable
 fun TextBox(process: Float, onClick: () -> Unit) {
     val viewModel = viewModel<DateViewModel>()
@@ -142,21 +149,24 @@ fun TextBox(process: Float, onClick: () -> Unit) {
             Box {
                 InputText(process)
 
-                TopAppBar(
-                    modifier = Modifier.height(40.dp),
-                    title = { Text("当前表达式", color = myTheme.textColor) },
-                    navigationIcon = {
-                        IconButton(onClick) {
-                            Icon(
-                                Icons.Filled.ArrowBack,
-                                null,
-                                tint = myTheme.textColor
-                            )
-                        }
-                    },
-                    backgroundColor = myTheme.topBg,
-                    elevation = 0.dp
-                )
+                //TitleBar
+                if (isPortrait) {
+                    TopAppBar(
+                        modifier = Modifier.height(40.dp),
+                        title = { Text("当前表达式", color = myTheme.textColor) },
+                        navigationIcon = {
+                            IconButton(onClick) {
+                                Icon(
+                                    Icons.Filled.ArrowBack,
+                                    null,
+                                    tint = myTheme.textColor
+                                )
+                            }
+                        },
+                        backgroundColor = myTheme.topBg,
+                        elevation = 0.dp
+                    )
+                }
             }
         }
 
@@ -168,7 +178,7 @@ fun TextBox(process: Float, onClick: () -> Unit) {
             reverseLayout = true,
             userScrollEnabled = true,
         ) {
-            itemsIndexed(viewModel.results) { index, item ->
+            items(viewModel.results) { item ->
                 Box(
                     modifier = Modifier.clickable(
                         indication = null,
diff --git a/app/src/main/java/com/jyn/composecalculator/ui/util/Click.kt b/app/src/main/java/com/jyn/composecalculator/ui/util/Click.kt
index 141853c..517bb4c 100644
--- a/app/src/main/java/com/jyn/composecalculator/ui/util/Click.kt
+++ b/app/src/main/java/com/jyn/composecalculator/ui/util/Click.kt
@@ -6,7 +6,7 @@ fun textClick(viewModel: DateViewModel, text: String) {
     when (text) {
         "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "00",
         -> viewModel.appendNum(text)
-        "÷", "×", "-", "+",".",
+        "÷", "×", "-", "+", ".",
         -> viewModel.appendCompute(text)
         "D"
         -> viewModel.delete()
@@ -14,5 +14,7 @@ fun textClick(viewModel: DateViewModel, text: String) {
         -> viewModel.clear()
         "="
         -> viewModel.calculate()
+        else
+        -> viewModel.appendNum(text)
     }
 }
\ No newline at end of file