一对一聊天重构，期待群聊开发

script/sql/20241120表结构备份/FLW_EV_DATABASECHANGELOGLOCK.sql

@@ -0,0 +1,10 @@
+create table fad_oa.FLW_EV_DATABASECHANGELOGLOCK
+(
+    ID          int          not null
+        primary key,
+    LOCKED      bit          not null,
+    LOCKGRANTED datetime     null,
+    LOCKEDBY    varchar(255) null
+)
+    charset = utf8mb4;
+