add showEmptyCircle
diff --git a/en/option/partial/color-desc.md b/en/option/partial/color-desc.md
index 533986c..582423d 100644
--- a/en/option/partial/color-desc.md
+++ b/en/option/partial/color-desc.md
@@ -1,4 +1,5 @@
 
 {{ target: partial-color-desc }}
 
-> Supports setting as solid color using `rgb(255,255,255)`, `rgba(255,255,255,1)`, `#fff`, etc. Also supports setting as gradient color and pattern fill, see [option.color](~color) for details
\ No newline at end of file
+> Supports setting as solid color using `rgb(255,255,255)`, `rgba(255,255,255,1)`, `#fff`, etc. Also supports setting as gradient color and pattern fill, see [option.color](~color) for details
+
diff --git a/en/option/series/pie.md b/en/option/series/pie.md
index 700a0da..c327b13 100644
--- a/en/option/series/pie.md
+++ b/en/option/series/pie.md
@@ -3,8 +3,6 @@
 
 # series.pie(Object)
 
-**pie chart**
-
 The pie chart is mainly used for showing proportion of different categories. Each arc length represents the proportion of data quantity.
 
 
@@ -96,6 +94,23 @@
     defaultBottom = 0
 ) }}
 
+## showEmptyCircle(boolean) = true
+
+<ExampleUIControlBoolean default="true" />
+
+If display an placeholder circle when there is no data.
+
+## emptyCircleStyle(Object)
+
+Style of circle placeholder.
+
+<ExampleUIControlBoolean default="true" />
+
+{{ use: partial-item-style(
+    prefix = "##",
+    defaultColor = 'lightgray'
+) }}
+
 ## label(Object)
 
 {{ use: partial-label-desc(
diff --git a/zh/option/series/pie.md b/zh/option/series/pie.md
index dcd6fd2..a56e5b5 100644
--- a/zh/option/series/pie.md
+++ b/zh/option/series/pie.md
@@ -118,6 +118,24 @@
     defaultBottom = 0
 ) }}
 
+## showEmptyCircle(boolean) = true
+
+<ExampleUIControlBoolean default="true" />
+
+是否在无数据的时候显示一个占位圆。
+
+## emptyCircleStyle(Object)
+
+占位圆样式。
+
+<ExampleUIControlBoolean default="true" />
+
+{{ use: partial-item-style(
+    prefix = "##",
+    defaultColor = 'lightgray'
+) }}
+
+
 ## label(Object)
 
 {{ use: partial-label-desc(