CN-464 带分位值的单值图bug和改动

src/utils/unit-convert.js

@@ -86,7 +86,9 @@ export default function unitConvert (value, unitType, sourceUnit, targetUnit, do
       case unitTypes.time: {
         return timeUnitFormatter(value, sourceUnit, targetUnit, dot)
       }
-      case unitTypes.percent:
+      case unitTypes.percent: {
+        return [value, '%']
+      }
       case unitTypes.number: {
         return numberUnitConvert(value, sourceUnit, targetUnit, dot)
       }