feat: 更改速度时，限制取值范围

src/pages/detail/speed.tsx

@@ -55,6 +55,8 @@ export default defineComponent({
 
     const updateSpeed = (speed: number) => {
       state.speed = speed
+      state.speed = Math.min(state.speed, 270)
+      state.speed = Math.max(state.speed, 45)
       props.updateSpeed(state.speed)
     }
 
@@ -102,8 +104,8 @@ export default defineComponent({
               buttonSize="18px"
               modelValue={state.maxSpeed - state.speed}
               onUpdate:modelValue={(speed: number) => {
-                //console.log('速度123',state.maxSpeed,speed,runtime.playIngSpeed,runtime.speed)
-                const currentSpeed = runtime.playIngSpeed > 270 ? runtime.playIngSpeed + 45 : state.maxSpeed - speed
+                // console.log('速度123',state.maxSpeed,speed,runtime.playIngSpeed,runtime.speed)
+                const currentSpeed = (runtime.playIngSpeed > 270 ? runtime.playIngSpeed + 45 : state.maxSpeed) - speed
                 updateSpeed(currentSpeed)
               }}
               step="1"