diff --git a/src/views/ECG/ECGhtml.vue b/src/views/ECG/ECGhtml.vue
index e9946cfa..ff182984 100644
--- a/src/views/ECG/ECGhtml.vue
+++ b/src/views/ECG/ECGhtml.vue
@@ -409,6 +409,15 @@ const suduratioMap = {
   1: '25',
   2: '50'
 }
+const dyMap = {
+  0.012: '10',
+  0.025: '20',
+  0.05: '40',
+  0.1: '80',
+  0.2: '160'
+}
+
+infoParams.lineratio
 function convert(command, type) {
   if (type === 0) {
     return suduratioMap[command] || null
@@ -580,16 +589,16 @@ function begin(c_canvas, beatArray) {
   beatArray.forEach((dataArray, index) => {
     if (index <= 6) {
       const x = 0
-      const y = offset - dataArray[index - 1] * 0.025
+      const y = (offset - dataArray[index - 1] * 0.025)
       ctx.beginPath()
       ctx.moveTo(x, y)
       ctx.lineTo(x + 5, y)
-      ctx.moveTo(x + 5, y - 40)
-      ctx.lineTo(x + 15, y - 40)
-      ctx.moveTo(x + 5, y - 40)
-      ctx.lineTo(x + 5, y)
-      ctx.moveTo(x + 15, y - 40)
-      ctx.lineTo(x + 15, y)
+      ctx.moveTo(x + 5, (y - dyMap[infoParams.lineratio]))//上面的横线
+      ctx.lineTo(x + 15, (y - dyMap[infoParams.lineratio]))//上面的横线
+      ctx.moveTo(x + 5, (y - dyMap[infoParams.lineratio]))//左边的竖线
+      ctx.lineTo(x + 5, y)//左边的竖线
+      ctx.moveTo(x + 15, y - dyMap[infoParams.lineratio])//右边的竖线
+      ctx.lineTo(x + 15, y)//右边的竖线
       ctx.moveTo(x + 15, y)
       ctx.lineTo(x + 20, y)
       ctx.stroke()
@@ -622,11 +631,11 @@ function beginr(c_canvas, beatArray) {
       ctx.beginPath()
       ctx.moveTo(x, y)
       ctx.lineTo(x + 5, y)
-      ctx.moveTo(x + 5, y - 40)
-      ctx.lineTo(x + 15, y - 40)
-      ctx.moveTo(x + 5, y - 40)
+      ctx.moveTo(x + 5, y - dyMap[infoParams.lineratio])
+      ctx.lineTo(x + 15, y - dyMap[infoParams.lineratio])
+      ctx.moveTo(x + 5, y - dyMap[infoParams.lineratio])
       ctx.lineTo(x + 5, y)
-      ctx.moveTo(x + 15, y - 40)
+      ctx.moveTo(x + 15, y - dyMap[infoParams.lineratio])
       ctx.lineTo(x + 15, y)
       ctx.moveTo(x + 15, y)
       ctx.lineTo(x + 20, y)