Correct some erroneous content

Author: jiaoshuntian

CN/modules/ROOT/pages/4.4.adoc

@@ -177,9 +177,6 @@ pg_upgrade https://www.postgresql.org/docs/current/pgupgrade.html[文档]概述
 ----
 # 使用 IvorySQL 的 initdb 初始化新集群
 /opt/ivorysql/bin/initdb -D /data/ivorysql/data
-
-# 停止新集群
-/opt/ivorysql/bin/pg_ctl -D /data/ivorysql/data stop
 ----
 
 ==== 第二步：停止源 PostgreSQL 集群
@@ -223,7 +220,7 @@ pg_upgrade https://www.postgresql.org/docs/current/pgupgrade.html[文档]概述
 /opt/ivorysql/bin/pg_ctl -D /data/ivorysql/data start
 
 # 验证数据库是否正常
-/opt/ivorysql/bin/psql -p 5433 -c "SELECT version();"
+/opt/ivorysql/bin/psql -p 5432 -c "SELECT version();"
 ----
 
 ==== 第六步：清理旧集群

EN/modules/ROOT/pages/4.4.adoc

@@ -167,9 +167,6 @@ Upgrading from PostgreSQL to IvorySQL is considered a "cross-product" migration.
 ----
 # Use IvorySQL's initdb to initialize the new cluster
 /opt/ivorysql/bin/initdb -D /data/ivorysql/data
-
-# Stop the new cluster
-/opt/ivorysql/bin/pg_ctl -D /data/ivorysql/data stop
 ----
 
 ==== Step 2: Stop the source PostgreSQL cluster
@@ -213,7 +210,7 @@ Use `-c` to perform compatibility checks only without modifying any data:
 /opt/ivorysql/bin/pg_ctl -D /data/ivorysql/data start
 
 # Verify if the database is functioning properly
-/opt/ivorysql/bin/psql -p 5433 -c "SELECT version();"
+/opt/ivorysql/bin/psql -p 5432 -c "SELECT version();"
 ----
 
 ==== Step 6: Clean up the old cluster