Simplify包：fix [interferon beta-1a] bug

simplify/words.go

@@ -37,17 +37,19 @@ func (w *Words) Simplify() []string {
 		for _, separator := range separators {
 			str = strings.ReplaceAll(str, separator, " ")
 		}
-		wide := " " + strings.Join(strings.Fields(str), " ") + " " // 空格开头结尾，便于包含判断
+		wide := " " + strings.Join(strings.Fields(str), " ") + " " // 去掉连续空格 且 空格开头结尾，便于包含判断
 		if strings.TrimSpace(wide) == "" {
 			continue
 		}
-		wides[keyword] = wide
+		if _, ok := wides[wide]; !ok { // 优先保留 input内容
+			wides[wide] = keyword
+		}
 	}
 
 	// 计算重复次数
 	repetition := make(map[string]int)
-	for _, wide1 := range wides {
-		for keyword, wide2 := range wides {
+	for wide1 := range wides {
+		for wide2, keyword := range wides {
 
 			// 首尾空格字符串 包含另一个 首尾空格字符串，则认为重复
 			if strings.Contains(wide2, wide1) {