fix(班组看板): 修正资格率图表中tooltip的格式化显示

src/views/bpm/vis-page/components/charts/QualificationRateChart.vue

@@ -56,7 +56,7 @@ export default {
         grid: { left: '2%', right: '2%', bottom: '12%', top: '10%', containLabel: true },
         tooltip: {
           trigger: 'axis',
-          formatter: '{b}: {c}%',
+          formatter: '{b}: {c}',
           backgroundColor: '#fff',
           borderColor: '#2068b8',
           borderWidth: 1,