diff --git a/drivers/lanzou/help.go b/drivers/lanzou/help.go
index 81d7c567..458aab85 100644
--- a/drivers/lanzou/help.go
+++ b/drivers/lanzou/help.go
@@ -78,6 +78,45 @@ func RemoveNotes(html string) string {
 	})
 }
 
+// 清理JS注释
+func RemoveJSComment(data string) string {
+	var result strings.Builder
+	inComment := false
+	inSingleLineComment := false
+
+	for i := 0; i < len(data); i++ {
+		v := data[i]
+
+		if inSingleLineComment && (v == '\n' || v == '\r') {
+			inSingleLineComment = false
+			result.WriteByte(v)
+			continue
+		}
+		if inComment {
+			if v == '*' && i+1 < len(data) && data[i+1] == '/' {
+				inComment = false
+				i++
+			}
+			continue
+		}
+		if v == '/' && i+1 < len(data) {
+			nextChar := data[i+1]
+			if nextChar == '*' {
+				inComment = true
+				i++
+				continue
+			} else if nextChar == '/' {
+				inSingleLineComment = true
+				i++
+				continue
+			}
+		}
+		result.WriteByte(v)
+	}
+
+	return result.String()
+}
+
 var findAcwScV2Reg = regexp.MustCompile(`arg1='([0-9A-Z]+)'`)
 
 // 在页面被过多访问或其他情况下，有时候会先返回一个加密的页面，其执行计算出一个acw_sc__v2后放入页面后再重新访问页面才能获得正常页面