Javascript 重新加载页面后，Chrome扩展不起作用

我的代码运行良好，但当我重新加载网页时，代码将不再工作。我也尝试过使用chrome.storage，但仍然不起作用。我想知道，当我重新加载页面代码时，代码必须工作。这个问题的原因可能是什么？谢谢你的帮助

popup.html：

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           <p>Colors:</p>
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           <p>animals:</p>
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  <!--start funny icons-->
     <div class="cursor-funny-icons grid">
            <p>Funny:</p>
         <div class="flex-container">
             <div ><img class="icon" src="data:image/png;base64,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" /></div>
             <div ><img class="icon"  src="data:image/png;base64,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" /></div>
             <div ><img class="icon" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYCAYAAADgdz34AAAABHNCSVQICAgIfAhkiAAAAAlwSFlzAAAAqwAAAKsB1E2SqwAAABl0RVh0U29mdHdhcmUAd3d3Lmlua3NjYXBlLm9yZ5vuPBoAAARLSURBVEiJlZRtTFNnFMd/z22hvaUXDTRIkRmNTGAqWMaM0dg4BhJxGme2GB1xL24aNfuwLC7GzamLe3HLPpgsfmBuZkZdjEtmsongCOAL0yBS2YvCwCnyYks6Mge2vbXcZx86ENci7Hy693/P+f/P/9zzPEJKyVhRuu61FVKId53JA5MWTe8eKnisV5cS5Up3hvViZ6bpzl2tX0i5t/rYwe/H4hDxBMrKy5OHpFolhGH7oKyupWBq7xohsIzOkRK9uSfj+DuVT+dLqQTCvZnuurpdkQkJAJSUv77gx02HNyLFKwCennRaeqcCkJ/Rg2uqd5jhUEnF+sM1Rw6elXHIxhTgvHU5kh8ihsKHtUtpvJ3OokIXAA1NHuZP87GjqBqzYoDgWRaHTk14RACcszSAWPh1UyFN/UVs27KVJJsKwL1AkE8PHGDe5Do2zG8E5E+49UXxaJS45PXCDMIFcKo1l7LiUpJsKm23umm71U2STaWseCmVrdnDfbqiNbERF3y/pnRtojmitvY5uBsA15xcAI6drgVgz+b1uObkMhiCl79ZRU6aXwXWbF/C0Qk50BJ1Jc/pY2fJOSbZwPPrdQDWLSti3bIiIIrZrbBz6TnyMnxIpG3CDt50N7SgRLWX51ynsqaa2bOyyJ6eCUT/QWXNGcpy2piZ2s/M1H7KstsuT1hgdLxY0ExnrYMtO3bFbNFLhU3jlY+xRfWJ81AUz2hozHMwHIbhYkn46v92ANDhT2Gus2+ENGIodPhTyHL0j1sbV2CX75PZqyZ/i0uNjuDIlTxa+xyUZt8AoLptJjlpfnaX1kfdBQs5+dfzs/dAjIOYEe07vi//i/7NzQaK8pTtEtvTd+NSm/AO2Dl9/XEAluW2k64N4gkW8rF3N5cDC1AwjE2Oz5/c9sKOq48UuFM7y13cfuFs0HiwdflqM3mqh7lqCwC/BPP5OeiiJVgwkqMqAWqyFrudz7Sdf+SInOYu8/7MjbzR9SW6jF6gVwfzaQm4QIhokpTISASREH21CJ39mRtxmrru/5cv5qCd+X2GqViromJa+QiZ3t1F6HYnem8Pem/PyDP/uq+YVk6xVsWJa7NiGo4R+Kxuoe4NpEZSzH4sQgchUCyWaNfhMDIcBimjmBBYhE6K2U9XYMr9gw2FMXyxWySU5LdvfhS8wGptGDLZ7Rih0ENpJrsdAF1aWHGjDjcnQoiLyeM6wJD67eb2DiD8gEwjIdWBYrWiWK0kpDow2bXRVeFbzX90YEh9fAEh9YSAVyKNvcDIipk0jcR0J4npTkzaQ+QSaexNCHglIlYgZkRDwvCbpDkrq+GtrQNT5r/ny1rrRlAS00g06tPaj19I9l3aClIVUvlzXAc1R766BrIRMDRv4xMIOscgB0F7ct+l6YABwlN1rOK3cR0ADNzXViYl/v3cvSkbvkNyEzHyyStgSEL01jNYOZj26gzNd2g1ptDJeFz/AFXBw8VCoZUDAAAAAElFTkSuQmCC" /></div>
             <div ><img class="icon"  src="data:image/png;base64,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" /></div>
             <div ><img class="icon"  src="data:image/png;base64,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" /></div>
         </div>
     </div>

  </div>

背景：

chrome.runtime.onMessage.addListener(
 function({message, img}, sender, sendResponse) {

  if (message === "changeCursor"){

  chrome.tabs.query({}, function(tabs) {
    for (let i=0; i<tabs.length; ++i) {
      let imgSrc = img;
      chrome.storage.local.set({key: imgSrc}, function() {
        console.log('Value is set to ' + imgSrc);
      });
        chrome.tabs.sendMessage(tabs[i].id,{message: "startChangeCursor"} );

           }
      })
   }

});

---

复制chrome。存储。本地。获取。。。。。。块到content.js的开头，“代码将不再工作”太模糊了，我们甚至不知道您的代码应该做什么。你以为会发生什么？代码是如何失败的？有什么错误吗？等

chrome.runtime.onMessage.addListener(
 function({message, img}, sender, sendResponse) {

  if (message === "changeCursor"){

  chrome.tabs.query({}, function(tabs) {
    for (let i=0; i<tabs.length; ++i) {
      let imgSrc = img;
      chrome.storage.local.set({key: imgSrc}, function() {
        console.log('Value is set to ' + imgSrc);
      });
        chrome.tabs.sendMessage(tabs[i].id,{message: "startChangeCursor"} );

           }
      })
   }

});

chrome.runtime.onMessage.addListener(function({message}, sender, sendResponse) {
if(message === "startChangeCursor"){
    chrome.storage.local.get(['key'], function(result) {
        $("body").css('cursor', `url(${result.key}) 1 1, auto`);
      });
    }
});