直播间密码生成策略调整，增加一个小写字母位

src/dsb/com/cnd3b/restcontroller/enterprise/live/live.java

@@ -276,14 +276,15 @@ public class live extends Controller {
         return getSucReturnObject().setData(new Polyv().getSignUrl(rows.get(0).getString("channelId"), rows.get(0).getString("secretkey"), userid)).toString();
     }
 
-
-    private String createPassWord() {
+    private static String createPassWord() {
         String allChar = "1234567890";
+        String allChar2 = "abcdefghijklmnopqrstuvwxyz";
         StringBuffer sb = new StringBuffer();
         Random random = new Random();
         for (int i = 0; i < 6; i++) {
             sb.append(allChar.charAt(random.nextInt(allChar.length())));
         }
+        sb.append(allChar2.charAt(random.nextInt(allChar2.length())));
         return sb.toString();
     }