diff --git a/library/src/main/java/ke/tang/ruler/RulerView.kt b/library/src/main/java/ke/tang/ruler/RulerView.kt
index 08e2437..2210a0c 100644
--- a/library/src/main/java/ke/tang/ruler/RulerView.kt
+++ b/library/src/main/java/ke/tang/ruler/RulerView.kt
@@ -2,7 +2,11 @@ package ke.tang.ruler
 
 import android.content.Context
 import android.content.res.ColorStateList
-import android.graphics.*
+import android.graphics.Canvas
+import android.graphics.Color
+import android.graphics.Paint
+import android.graphics.Rect
+import android.graphics.RectF
 import android.graphics.drawable.Drawable
 import android.os.Parcel
 import android.os.Parcelable
@@ -16,9 +20,7 @@ import androidx.annotation.ColorInt
 import androidx.annotation.DrawableRes
 import androidx.annotation.IntRange
 import androidx.core.math.MathUtils
-import java.util.*
-import kotlin.Comparator
-import kotlin.collections.ArrayList
+import java.util.Collections
 import kotlin.math.abs
 import kotlin.math.max
 import kotlin.math.min
@@ -84,6 +86,7 @@ class RulerView @JvmOverloads constructor(context: Context, attrs: AttributeSet?
             requestLayout()
             invalidate()
         }
+    var notifyWhenMoving: Boolean = true
 
     @IntRange(from = 0, to = MAX_VALUE.toLong())
     var maxValue: Int = 0
@@ -163,6 +166,7 @@ class RulerView @JvmOverloads constructor(context: Context, attrs: AttributeSet?
     init {
         setWillNotDraw(false)
         with(context.obtainStyledAttributes(attrs, R.styleable.RulerView, defStyleAttr, R.style.Widget_RulerView)) {
+            notifyWhenMoving = getBoolean(R.styleable.RulerView_notifyWhenMoving, true)
             stepWidth = getDimensionPixelOffset(R.styleable.RulerView_stepWidth, 10.toDip())
             getString(R.styleable.RulerView_rulerValueFormatter).takeUnless { it.isNullOrBlank() }?.also {
                 kotlin.runCatching {
@@ -283,7 +287,35 @@ class RulerView @JvmOverloads constructor(context: Context, attrs: AttributeSet?
             if (labelRight > 0) {
                 if (0 == index % sectionScaleCount || index == maxScaleCount || index == minScaleCount) {
                     canvas.drawRect(left, rulerTop - scaleMaxHeight.toFloat(), right, rulerTop.toFloat(), rulerPaint)
-                    canvas.drawText(label, centerX, fontY, labelPaint)
+                    var labelX = centerX
+                    var labelY = fontY
+                    var diffIdx = index % sectionScaleCount
+                    if (diffIdx != 0) {
+                        when (index) {
+                            minScaleCount -> {
+                                labelPaint.textAlign = Paint.Align.CENTER
+                                diffIdx = sectionScaleCount - diffIdx
+                                if (labelPaint.measureText(label) > stepWidth * diffIdx) {
+                                    labelX -= labelPaint.measureText(label)/2 - scaleSize
+                                    labelY = rulerBottom - rulerSize - fontMetrics.bottom
+                                }
+                            }
+
+                            maxScaleCount -> {
+                                labelPaint.textAlign = Paint.Align.CENTER
+                                if (labelPaint.measureText(label) > stepWidth * diffIdx) {
+                                    labelX += labelPaint.measureText(label)/2 + scaleSize
+                                    labelY = rulerBottom - rulerSize - fontMetrics.bottom
+                                }
+                            }
+
+                            else -> labelPaint.textAlign = Paint.Align.CENTER
+                        }
+                    }
+                    else {
+                        labelPaint.textAlign = Paint.Align.CENTER
+                    }
+                    canvas.drawText(label, labelX, labelY, labelPaint)
                 } else {
                     canvas.drawRect(left, rulerTop - scaleMinHeight.toFloat(), right, rulerTop.toFloat(), rulerPaint)
                 }
@@ -302,7 +334,34 @@ class RulerView @JvmOverloads constructor(context: Context, attrs: AttributeSet?
             if (labelLeft < width) {
                 if (0 == index % sectionScaleCount || index == maxScaleCount || index == minScaleCount) {
                     canvas.drawRect(left, rulerBottom - rulerSize - scaleMaxHeight.toFloat(), right, rulerTop.toFloat(), rulerPaint)
-                    canvas.drawText(label, centerX, fontY, labelPaint)
+                    var labelX = centerX
+                    var labelY = fontY
+                    var diffIdx = index % sectionScaleCount
+                    if (diffIdx != 0) {
+                        when (index) {
+                            minScaleCount -> {
+                                labelPaint.textAlign = Paint.Align.CENTER
+                                diffIdx = sectionScaleCount - diffIdx
+                                if (labelPaint.measureText(label) > stepWidth * diffIdx) {
+                                    labelX -= labelPaint.measureText(label)/2 - scaleSize
+                                    labelY = rulerBottom - rulerSize - fontMetrics.bottom
+                                }
+                            }
+
+                            maxScaleCount -> {
+                                labelPaint.textAlign = Paint.Align.CENTER
+                                if (labelPaint.measureText(label) > stepWidth * diffIdx) {
+                                    labelX += labelPaint.measureText(label)/2 + scaleSize
+                                    labelY = rulerBottom - rulerSize - fontMetrics.bottom
+                                }
+                            }
+                            else -> labelPaint.textAlign = Paint.Align.CENTER
+                        }
+                    }
+                    else {
+                        labelPaint.textAlign = Paint.Align.CENTER
+                    }
+                    canvas.drawText(label, labelX, labelY, labelPaint)
                 } else {
                     canvas.drawRect(left, rulerBottom - rulerSize - scaleMinHeight.toFloat(), right, rulerTop.toFloat(), rulerPaint)
                 }
@@ -359,6 +418,8 @@ class RulerView @JvmOverloads constructor(context: Context, attrs: AttributeSet?
     }
 
     override fun onTouchEvent(event: MotionEvent): Boolean {
+        if (!isEnabled) return false
+
         event.pointerCount
         val x = event.x
         val y = event.y
@@ -402,7 +463,8 @@ class RulerView @JvmOverloads constructor(context: Context, attrs: AttributeSet?
                             if (it.toInt() in contentOffsetRange) dx else dx / 2
                         }.toInt()
                         _value = getValueForContentOffset(contentOffset)
-                        notifyValueChanged()
+                        if (notifyWhenMoving)
+                            notifyValueChanged()
                         invalidate()
                     }
                 }
@@ -452,6 +514,8 @@ class RulerView @JvmOverloads constructor(context: Context, attrs: AttributeSet?
                                 scrollToRoundedValue()
                             }
                         }
+                        if (!notifyWhenMoving)
+                            notifyValueChanged()
                     }
                 }
                 invalidate()
diff --git a/library/src/main/res/values/styleable.xml b/library/src/main/res/values/styleable.xml
index 97d1743..c79b938 100644
--- a/library/src/main/res/values/styleable.xml
+++ b/library/src/main/res/values/styleable.xml
@@ -3,6 +3,7 @@
     <attr name="rulerViewStyle" format="reference" />
 
     <declare-styleable name="RulerView">
+        <attr name="notifyWhenMoving" format="boolean" />
         <attr name="stepWidth" format="dimension" />
         <attr name="rulerValueFormatter" format="string" />
         <attr name="scaleColor" format="color|reference" />
diff --git a/sample/src/main/java/ke/tang/ruler/sample/MainActivity.kt b/sample/src/main/java/ke/tang/ruler/sample/MainActivity.kt
index 338d723..9a864af 100644
--- a/sample/src/main/java/ke/tang/ruler/sample/MainActivity.kt
+++ b/sample/src/main/java/ke/tang/ruler/sample/MainActivity.kt
@@ -8,6 +8,8 @@ import android.util.TypedValue
 import android.view.View
 import android.widget.AdapterView
 import android.widget.ArrayAdapter
+import android.widget.CompoundButton
+import android.widget.RadioGroup
 import android.widget.SeekBar
 import android.widget.Toast
 import androidx.appcompat.app.AppCompatActivity
@@ -48,6 +50,9 @@ class MainActivity : AppCompatActivity() {
             binding.ruler.textColor
         )
 
+        binding.swEnable.setOnCheckedChangeListener { _, enabled -> binding.ruler.isEnabled = enabled }
+        binding.swNotifyWhenMoving.setOnCheckedChangeListener { _, enabled -> binding.ruler.notifyWhenMoving = enabled }
+
         binding.stepWidth.setOnSeekBarChangeListener(object : SeekBar.OnSeekBarChangeListener {
             override fun onProgressChanged(seekBar: SeekBar?, progress: Int, fromUser: Boolean) {
                 binding.ruler.stepWidth = (state.stepWidth + TypedValue.applyDimension(
diff --git a/sample/src/main/res/layout/activity_main.xml b/sample/src/main/res/layout/activity_main.xml
index af7d3f2..5a967a3 100644
--- a/sample/src/main/res/layout/activity_main.xml
+++ b/sample/src/main/res/layout/activity_main.xml
@@ -34,6 +34,20 @@
             android:layout_height="wrap_content"
             android:orientation="vertical">
 
+            <Switch
+                android:id="@+id/sw_enable"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="@string/label_enable_ruler"
+                android:checked="true"/>
+
+            <Switch
+                android:id="@+id/sw_notify_when_moving"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="@string/label_notify_moving"
+                android:checked="true"/>
+
             <!--刻度宽度-->
             <TextView
                 style="?android:textAppearanceSmall"
diff --git a/sample/src/main/res/values-zh-rCN/values.xml b/sample/src/main/res/values-zh-rCN/values.xml
index 7fa9635..c091f24 100644
--- a/sample/src/main/res/values-zh-rCN/values.xml
+++ b/sample/src/main/res/values-zh-rCN/values.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
     <string name="app_name">标尺</string>
+    <string name="label_enable_ruler">启用</string>
+    <string name="label_notify_moving">移动时通知</string>
     <string name="label_set_step_width">设置刻度间间距</string>
     <string name="label_set_scale_color">设置刻度颜色</string>
     <string name="label_set_ruler_color">设置标尺颜色</string>
diff --git a/sample/src/main/res/values/strings.xml b/sample/src/main/res/values/strings.xml
index ed3f587..136e311 100644
--- a/sample/src/main/res/values/strings.xml
+++ b/sample/src/main/res/values/strings.xml
@@ -1,5 +1,7 @@
 <resources>
     <string name="app_name">Ruler</string>
+    <string name="label_enable_ruler">Enable</string>
+    <string name="label_notify_moving">Notify when moving</string>
     <string name="label_set_step_width">Set the distance between scales</string>
     <string name="label_set_scale_color">Set scale color</string>
     <string name="label_set_ruler_color">Set the ruler color</string>
diff --git a/version.gradle b/version.gradle
index 0428ed6..8d8dca9 100644
--- a/version.gradle
+++ b/version.gradle
@@ -4,7 +4,7 @@ ext {
             minSdkVersion    : 15,
             targetSdkVersion : 28,
             versionCode      : 6,
-            versionName      : '1.0.5',
+            versionName      : '1.0.7',
             kotlin           : '1.9.22',
             build            : '8.2.2',
             library          : [