调试设置比例

src/views/proportion/index.vue

@@ -37,11 +37,12 @@ let scaleSet: ScaleSet | null = null
 const length = ref<number>()
 
 watchEffect(() => {
-  console.log('----')
+  console.log('--setLength--')
   length.value && scaleSet?.setLength(length.value)
 })
 
 const resetMeasure = () => {
+  console.log('--startMeasure--')
   scaleSet?.startMeasure()
 }