fix: 大型修复，增加超时和线程控制

TestDocker/Oracle/Dockerfile

@@ -1,16 +1,13 @@
 # 使用Oracle官方容器镜像
-FROM container-registry.oracle.com/database/express:latest
+FROM container-registry.oracle.com/database/express:21.3.0-xe
 
 # 设置环境变量
 ENV ORACLE_PWD=123456
-ENV ORACLE_SID=XE
-ENV ORACLE_PDB=XEPDB1
+ENV ORACLE_CHARACTERSET=AL32UTF8
 
 # 开放1521端口
-EXPOSE 1521
+EXPOSE 1521 5500
 
 # 健康检查
-HEALTHCHECK --interval=30s --timeout=3s \
-  CMD sqlplus -L sys/123456@//localhost:1521/XE as sysdba << EOF
-  exit;
-  EOF
+HEALTHCHECK --interval=30s --timeout=30s --start-period=5m --retries=3 \
+  CMD nc -z localhost 1521 || exit 1