fix

app/static/js/highlight.js

@@ -27,6 +27,21 @@ function highLight() {
     let dictionaryWords = document.getElementById("selected-words2"); // words appearing in the user's new words list
     let allWords = dictionaryWords === null ? pickedWords.value + " " : pickedWords.value + " " + dictionaryWords.value;
     const list = allWords.split(" "); // 将所有的生词放入一个list中
+    if(word !== null && word !== "" && word !== " "){
+        let articleContent_fb2 = articleContent;
+        if(localStorage.getItem("nowWord").indexOf(word) !== -1){
+            while(articleContent_fb2.toLowerCase().indexOf(word.toLowerCase()) !== -1){
+                // 找到副本中和list[i]匹配的第一个单词(第一种匹配情况),并赋值给list[i]。
+                const index = articleContent_fb2.toLowerCase().indexOf(word.toLowerCase());
+                word = articleContent_fb2.substring(index, index + word.length);
+                articleContent_fb2 = articleContent_fb2.substring(index + word.length);    // 使用副本中list[i]之后的子串替换掉副本
+                articleContent = articleContent.replace(new RegExp("<mark>"+word+"</mark>", "g"), word)
+            }
+            pickedWords.value = localStorage.getItem("nowWord").replace(word,"");
+            document.getElementById("article").innerHTML = articleContent;
+            return;
+        }
+    }
     let totalSet = new Set();
     for (let i = 0; i < list.length; ++i) {
         list[i] = list[i].replace(/(^\W*)|(\W*$)/g, ""); // 消除单词两边的非单词字符