补充controller，修改变量，主页bug修改

liangxiaozhen

2023-08-11 af908216bb0012fe849e3b49b3039c7ba238f8f0

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<template>
     <lightning-button label="Neutral" title="Non-primary action" onclick={handleClick} class="slds-m-left_x-small"></lightning-button>
 </template>