refactor: 优化频谱仪状态管理代码格式，提升可读性

src/components/PinPuYi/PinPuYi.vue

@@ -324,7 +324,7 @@ watchEffect(() => {
 <template>
   <pre
     v-if="$__DEV__"
-    class="fixed overflow-y-auto top-10 bottom-10 right-10 z-[9999] bg-white text-black p-[10px] text-[12px] overflow-auto"
+    class="fixed bottom-10 right-10 top-10 z-[9999] overflow-auto overflow-y-auto bg-white p-[10px] text-[12px] text-black"
     >{{ { 选项卡菜单7个: $enum(E_选项卡菜单).getValues(), ...state } }}</pre
   >
 
@@ -352,13 +352,13 @@ watchEffect(() => {
       <img :src="屏幕照片" alt="频谱仪屏幕" class="absolute left-0 top-0 !h-[330px] !w-[340px]" />
 
       <!-- bg-pink -->
-      <div data-box="下面左Start 右Stop" class="absolute left-0 right-85px bottom-0 flex justify-between text-white">
-        <div class="flex-1 text-left text-center">
+      <div class="absolute bottom-0 left-0 right-[85px] flex justify-between text-white" data-box="下面左Start 右Stop">
+        <div class="flex-1 text-left">
           <span>Start </span>
           <span>{{ state.频谱仪状态.start.value }}</span>
           <span>{{ state.频谱仪状态.start.unit }}</span>
         </div>
-        <div class="flex-1 text-right text-center">
+        <div class="flex-1 text-right">
           <span>Stop </span>
           <span>{{ state.频谱仪状态.stop.value }}</span>
           <span>{{ state.频谱仪状态.stop.unit }}</span>
@@ -382,7 +382,8 @@ watchEffect(() => {
               state.频谱仪状态.频率输入状态.选中的频率菜单列表的项目 === E_选项卡菜单Freq菜单列表的项目.CenterFreq
             "
           >
-            {{ state.频谱仪状态.center.value }} {{ state.频谱仪状态.center.unit }}
+            {{ state.频谱仪状态.center.value }}
+            {{ state.频谱仪状态.center.unit }}
           </template>
           <template
             v-else-if="