diff --git a/src/Obj/Base/CurvelineObject/index.js b/src/Obj/Base/CurvelineObject/index.js
index 8b946e1..0c8bf41 100644
--- a/src/Obj/Base/CurvelineObject/index.js
+++ b/src/Obj/Base/CurvelineObject/index.js
@@ -30,7 +30,7 @@ class CurvelineObject extends Base {
    * @param options.heightMode{number} 高度模式（0：海拔高度；1：相对高度；2：依附模式）
    * @param options['nose-to-tail']=false {boolean} 首尾相连
    * @param options.extend=false {boolean} 线缓冲
-   * @param options['extend-width']=1 {number} 线缓冲宽度
+   * @param options['extend-width']=10 {number} 线缓冲宽度
    * @param options['extend-color']=#ffde00 {number} 线缓冲颜色
    * @param options.show=true {boolean} 显隐
    * @param {Array.<object>} options.positions 坐标数组 [{lng,lat},...]
@@ -61,8 +61,8 @@ class CurvelineObject extends Base {
     this.options['extend-width'] =
       options['extend-width'] || options['extend-width'] === 0
         ? options['extend-width']
-        : 1
-    this.options['extend-color'] = options['extend-color'] || '#ffde00'
+        : 10
+    this.options['extend-color'] = options['extend-color'] || 'rgba(255,222,0,0.3)'
     this.options.show =
       options.show || options.show === false ? options.show : true
     this.options.heightMode = (options.heightMode || options.heightMode == 0) ? options.heightMode : 2
diff --git a/src/Obj/Base/PolylineObject/index.js b/src/Obj/Base/PolylineObject/index.js
index ff70456..51d022f 100644
--- a/src/Obj/Base/PolylineObject/index.js
+++ b/src/Obj/Base/PolylineObject/index.js
@@ -32,8 +32,8 @@ class PolylineObject extends Base {
    * @param options['nose-to-tail']=false {boolean} 首尾相连
    * @param options.smooth=false {boolean} 线段圆滑
    * @param options.extend=false {boolean} 线缓冲
-   * @param options['extend-width']=1 {number} 线缓冲宽度
-   * @param options['extend-color']=#ffde00 {number} 线缓冲颜色
+   * @param options['extend-width']=10 {number} 线缓冲宽度
+   * @param options['extend-color']=rgba(255,222,0,0.5) {number} 线缓冲颜色
    * @param options.show=true {boolean} 显隐
    * @param {Array.<object>} options.positions 坐标数组 [{lng,lat},...]
    * @param options.label {object} 标注
@@ -69,8 +69,8 @@ class PolylineObject extends Base {
     this.options['extend-width'] =
       options['extend-width'] || options['extend-width'] === 0
         ? options['extend-width']
-        : 1
-    this.options['extend-color'] = options['extend-color'] || '#ffde00'
+        : 10
+    this.options['extend-color'] = options['extend-color'] || 'rgba(255,222,0,0.3)'
     this.options.show =
       options.show || options.show === false ? options.show : true
     this.options.heightMode = (options.heightMode || options.heightMode == 0) ? options.heightMode : 2