!266 修复 floatToFixed2 函数某些情况下计算结果为零 Closes #I8671C

Merge pull request !266 from 风狗/N/A

src/utils/index.ts

@@ -205,6 +205,9 @@ export const floatToFixed2 = (num: number | string | undefined): string => {
     case 1:
       str = f.toString() + '0'
       break
+    case 2:
+      str = f.toString()
+      break
   }
   return str
 }