Merge pull request #440 from wang1433256766/dev

[!] wxc-overlay添加top,距顶部距离可配置
diff --git a/packages/wxc-button/index.vue b/packages/wxc-button/index.vue
index f9cb1db..94ca914 100644
--- a/packages/wxc-button/index.vue
+++ b/packages/wxc-button/index.vue
@@ -64,7 +64,7 @@
       },
       mrTextStyle () {
         const { type, disabled, textStyle, size } = this;
-        const mrTextStyle = { ...TEXT_STYLE_MAP[type], ...textStyle, ...TEXT_FONTSIZE_STYLE_MAP[size] };
+        const mrTextStyle = { ...TEXT_STYLE_MAP[type], ...TEXT_FONTSIZE_STYLE_MAP[size], ...textStyle };
         return disabled ? { ...mrTextStyle, color: '#FFFFFF' } : mrTextStyle;
       }
     },
diff --git a/packages/wxc-slider-bar/README.md b/packages/wxc-slider-bar/README.md
index 5ce8de2..9244f3a 100644
--- a/packages/wxc-slider-bar/README.md
+++ b/packages/wxc-slider-bar/README.md
@@ -54,6 +54,7 @@
 | invalidColor | `String` |`N`| `#E0E0E0`| invalid color |
 | validColor   | `String` |`N`| `#EE9900`| valid color |
 | disabledColor| `String` |`N`| `#AAA`   | disabled color |
+| selectRange  | `Array` |`N`| `[0, 0]`   | return value |
 
 
 
diff --git a/packages/wxc-slider-bar/README_cn.md b/packages/wxc-slider-bar/README_cn.md
index 82814a3..252881a 100644
--- a/packages/wxc-slider-bar/README_cn.md
+++ b/packages/wxc-slider-bar/README_cn.md
@@ -54,6 +54,7 @@
 | invalidColor | `String` |`N`| `#E0E0E0`| 无效颜色 |
 | validColor   | `String` |`N`| `#EE9900`| 有效颜色 |
 | disabledColor| `String` |`N`| `#AAA`   | 禁用颜色 |
+| selectRange  | `Array` |`N`| `[0, 0]`   | 回传值 |
 
 
 ### 事件
diff --git a/packages/wxc-slider-bar/index.vue b/packages/wxc-slider-bar/index.vue
index cd7f881..eb0eb1b 100644
--- a/packages/wxc-slider-bar/index.vue
+++ b/packages/wxc-slider-bar/index.vue
@@ -61,13 +61,17 @@
       barWidth: 0,
       preventMoveEvent: true,
       minDist: 0,
-      selectRange: [0, 0],
+      // selectRange: [0, 0],
       blockRadius: 28,
       DPR: 1,
       timeout: 100,
       isAndroid: Utils.env.isAndroid()
     }),
     props: {
+      selectRange: {
+        type: Array,
+        default: [0, 0]
+      },
       length: {
         type: Number,
         default: 500