fix: visual board DashBoardComponent dynamic update max value

@@ -261,7 +261,15 @@ const handleValue = (value: any) => {
 
 export const update_instrument_1_value = (params: DashBoardValue) => {
   const { value = 0, unit = '°C', fontColor } = params;
-  let max = value > 1 ? Number(1 + Array(String(value).length).fill(0).join('')) / 2 : 100 / 2;
+  let max =
+    value > 1
+      ? Number(
+          1 +
+            Array(String(Math.floor(value)).length)
+              .fill(0)
+              .join('')
+        ) / 2
+      : 100 / 2;
   max = value > max ? max * 2 : max;
   return {
     series: [
@@ -288,8 +296,22 @@ export const update_instrument_2_value = (params: DashBoardValue) => {
   const thirdRecord = getGradient(Gradient.THIRD, gradientInfo);
 
   let max = thirdRecord?.value || secondRecord?.value || firstRecord?.value || 70;
-  max = Number(1 + Array(String(max).length).fill(0).join(''));
-  max = value > 1 ? Number(1 + Array(String(value).length).fill(0).join('')) / 2 : 100 / 2;
+  max = Number(
+    1 +
+      Array(String(Math.floor(max)).length)
+        .fill(0)
+        .join('')
+  );
+
+  max =
+    value > 1
+      ? Number(
+          1 +
+            Array(String(Math.floor(value)).length)
+              .fill(0)
+              .join('')
+        ) / 2
+      : 100 / 2;
   max = value > max ? max * 2 : max;
 
   const firstGradient = firstRecord?.value ? firstRecord.value / max : 0.3;