论坛（回复功能），聊天室。后端完善
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Change-Id: I60b1973a66d31e9284a33838b02ba0aea5f1d6e9
diff --git a/src/main/resources/ppt.sql b/src/main/resources/ppt.sql
index ad94e82..28ab119 100644
--- a/src/main/resources/ppt.sql
+++ b/src/main/resources/ppt.sql
@@ -724,7 +724,7 @@
-- ----------------------------
-- Records of users
-- ----------------------------
-INSERT INTO `users` VALUES (1, 'testuser@example.com', '$2a$06$JqvHpC94mnN23uwmZX0XHeuyFj3M22Ikw8VBZRopfrlWbPfA4KREu', 'testuser', 1, '47050e8f-f3fd-4a9c-a828-0e0de456691f', '2025-06-03 11:34:08', 'https://www.baidu.com/facivon.ico', '测试用户', '这个用户很懒，还没有个性签名', 'zh-CN', '100mbps', '100mbps', 0, 27723388, 27723388, 0, '未知', 0.00, 0, 30790068, '948c9146-ff5f-4ad6-8ba5-d32e1209cafd', '0');
+INSERT INTO `users` VALUES (1, 'testuser@example.com', '$2a$06$JqvHpC94mnN23uwmZX0XHeuyFj3M22Ikw8VBZRopfrlWbPfA4KREu', 'testuser', 1, '47050e8f-f3fd-4a9c-a828-0e0de456691f', '2025-06-03 11:34:08', '/default-avatar.png', '测试用户', '这个用户很懒，还没有个性签名', 'zh-CN', '100mbps', '100mbps', 0, 27723388, 27723388, 0, '未知', 0.00, 0, 30790068, '948c9146-ff5f-4ad6-8ba5-d32e1209cafd', '0');
SET FOREIGN_KEY_CHECKS = 1;