⚡️echarts主题移除扎眼的配色

src/plugins/vab-echarts-theme.json

@@ -1,5 +1,5 @@
 {
-  "color": ["#1890FF", "#36CBCB", "#4ECB73", "#FBD437", "#F2637B", "#975FE5"],
+  "color": ["#1890FF", "#36CBCB", "#4ECB73"],
   "backgroundColor": "rgba(252,252,252,0)",
   "textStyle": {},
   "title": {