auto: apply newest APITable commit

Author: github-actions[bot]

package.json

@@ -50,5 +50,10 @@
     "react-custom-scrollbars": "^4.2.1",
     "styled-components": ">=5.2.1",
     "typescript": "4.1.2"
-  }
+  },
+  "browserslist": [
+    "defaults",
+    "not dead",
+    "not op_mini all"
+  ]
 }

src/model/echarts_line.ts

@@ -91,6 +91,7 @@ export class EchartsLine extends EchartsBase {
 
     if (this.stackType !== StackType.None) {
       styleOption.series.stack = 'total';
+      styleOption.series.areaStyle = {};
     }
 
     return styleOption;