fix(progress): fix the size for line and plump (#2395)

Author: liweijie0812

style/web/components/progress/_index.less

@@ -80,6 +80,21 @@
   }
 }
 
+.@{prefix}-size-s {
+  &.@{prefix}-progress--thin {
+    .@{prefix}-progress__bar {
+      height: @progress-line-stroke-width-small;
+    }
+    .@{prefix}-progress__info {
+      font-size: @progress-line-font-size-small;
+    }
+  }
+
+  &.@{prefix}-progress--plump {
+    height: @progress-stroke-plump-width-small;
+  }
+}
+
 //环形
 .@{prefix}-progress--circle {
   position: relative;

style/web/components/progress/_var.less

@@ -31,12 +31,15 @@
 // 尺寸
 // line 进度条线宽
 @progress-line-stroke-width: @size-3;
+@progress-line-stroke-width-small: @size-2;
 // plump 进度条线宽
 @progress-stroke-plump-width: @comp-size-xxs;
+@progress-stroke-plump-width-small: @comp-size-xxxs;
 
 // 字体
 @progress-icon-font-size: calc(@font-size-base + 2px);
 @progress-icon-circle-font-size: 2.4em;
+@progress-line-font-size-small: @font-size;
 @progress-plump-font-size: @font-size-s;
 @progress-circle-font-size: inherit;
 @progress-circle-font-weight: 500;