diff --git a/lib/src/main/java/com/github/wangyiqian/stockchart/Default.kt b/lib/src/main/java/com/github/wangyiqian/stockchart/Default.kt
index c24e7e6..c6a6856 100644
--- a/lib/src/main/java/com/github/wangyiqian/stockchart/Default.kt
+++ b/lib/src/main/java/com/github/wangyiqian/stockchart/Default.kt
@@ -53,6 +53,7 @@ const val DEFAULT_GRID_HORIZONTAL_LINE_COUNT = 0
 const val DEFAULT_GRID_VERTICAL_LINE_COUNT = 0
 val DEFAULT_GRID_LINE_COLOR = Color.parseColor("#676767")
 const val DEFAULT_GRID_LINE_STROKE_WIDTH = 1f
+const val DEFAULT_HORIZONTAL_GRID_LINE_LEFT_OFFSET = 0f
 const val DEFAULT_VALUE_TEND_TO_ZERO = 0.0001f
 
 // K线图
diff --git a/lib/src/main/java/com/github/wangyiqian/stockchart/StockChart.kt b/lib/src/main/java/com/github/wangyiqian/stockchart/StockChart.kt
index 827caa8..9f53f00 100644
--- a/lib/src/main/java/com/github/wangyiqian/stockchart/StockChart.kt
+++ b/lib/src/main/java/com/github/wangyiqian/stockchart/StockChart.kt
@@ -273,13 +273,20 @@ class StockChart @JvmOverloads constructor(context: Context, attrs: AttributeSet
     private fun drawBackgroundGrid(canvas: Canvas) {
         backgroundGridPaint.color = config.gridLineColor
         backgroundGridPaint.strokeWidth = config.gridLineStrokeWidth
+        backgroundGridPaint.pathEffect = config.gridLinePathEffect
 
         if (config.gridHorizontalLineCount > 0) {
             val space = height.toFloat() / (config.gridHorizontalLineCount + 1)
-            var top = space
+            var top = config.horizontalGridLineTopOffset ?: space
 
             for (i in 1..config.gridHorizontalLineCount) {
-                canvas.drawLine(0f, top, width.toFloat(), top, backgroundGridPaint)
+                canvas.drawLine(
+                    config.horizontalGridLineLeftOffset,
+                    top,
+                    width.toFloat(),
+                    top,
+                    backgroundGridPaint
+                )
                 top += space
 
             }
diff --git a/lib/src/main/java/com/github/wangyiqian/stockchart/StockChartConfig.kt b/lib/src/main/java/com/github/wangyiqian/stockchart/StockChartConfig.kt
index bea5be6..798737d 100644
--- a/lib/src/main/java/com/github/wangyiqian/stockchart/StockChartConfig.kt
+++ b/lib/src/main/java/com/github/wangyiqian/stockchart/StockChartConfig.kt
@@ -13,6 +13,8 @@
 
 package com.github.wangyiqian.stockchart
 
+import android.graphics.DashPathEffect
+import android.graphics.PathEffect
 import androidx.annotation.ColorInt
 import com.github.wangyiqian.stockchart.childchart.base.*
 import com.github.wangyiqian.stockchart.entities.IKEntity
@@ -130,6 +132,15 @@ class StockChartConfig {
     // 背景网格线条宽度
     var gridLineStrokeWidth = DEFAULT_GRID_LINE_STROKE_WIDTH
 
+    // 背景网格线条虚线配置
+    var gridLinePathEffect: PathEffect? = null
+
+    // 背景网格第一条线的顶部偏移量，默认是高度按照网格线数量平均分后的距离
+    var horizontalGridLineTopOffset: Float? = null
+
+    // 背景网格左侧偏移量
+    var horizontalGridLineLeftOffset: Float = DEFAULT_HORIZONTAL_GRID_LINE_LEFT_OFFSET
+
     var valueTendToZero = DEFAULT_VALUE_TEND_TO_ZERO
 
     // 加载更多监听
diff --git a/samples/build.gradle b/samples/build.gradle
index 923ba1c..99ca073 100644
--- a/samples/build.gradle
+++ b/samples/build.gradle
@@ -70,6 +70,6 @@ dependencies {
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
     implementation 'com.google.android:flexbox:2.0.1'
 
-//    implementation project(':lib')
-    implementation 'com.github.wangyiqian:StockChart:1.1.1'
+    implementation project(':lib')
+//    implementation 'com.github.wangyiqian:StockChart:1.1.1'
 }
\ No newline at end of file