diff --git a/src/views/bigScreen/qualityManage/center2.vue b/src/views/bigScreen/qualityManage/center2.vue
index f7b46cd..d38b215 100644
--- a/src/views/bigScreen/qualityManage/center2.vue
+++ b/src/views/bigScreen/qualityManage/center2.vue
@@ -85,6 +85,7 @@ export default {
         productName.push(item.productName);
         realValue.push(item.realValue);
       }
+      const limit = resData.spc.upperLimit - resData.spc.lowerLimit;
       const dataMin = Math.min.apply(Math, realValue);
       const dataMax = Math.max.apply(Math, realValue);
       this.chart.setOption({
@@ -115,16 +116,18 @@ export default {
         yAxis: {
           type: "value",
           name: "",
-          min:
-            (dataMin < resData.spc.lowerLimit
-              ? dataMin
-              : resData.spc.lowerLimit) - 50,
-          max:
-            (dataMax > resData.spc.upperLimit
-              ? dataMax
-              : resData.spc.upperLimit) -
-            0 +
-            50,
+          min: resData.spc.lowerLimit - limit,
+          max: resData.spc.upperLimit - 0 + limit,
+          // min:
+          //   (dataMin < resData.spc.lowerLimit
+          //     ? dataMin
+          //     : resData.spc.lowerLimit) - 50,
+          // max:
+          //   (dataMax > resData.spc.upperLimit
+          //     ? dataMax
+          //     : resData.spc.upperLimit) -
+          //   0 +
+          //   50,
           axisLabel: {
             formatter: "{value}",
           },