diff --git a/debbuild/DEBIAN/postinst b/debbuild/DEBIAN/postinst
index 53c8928..fbe5c0f 100644
--- a/debbuild/DEBIAN/postinst
+++ b/debbuild/DEBIAN/postinst
@@ -51,7 +51,7 @@ done
 if [ ! -e "${RedisConfDir}/redis.conf" ]; then    
     cp ${RedisConfDir}/default/redis.conf ${RedisConfDir}; 
 else
-    sed -i 's/replica-read-only yes/replica-read-only no/g' $(RedisConfDir)/redis.conf 
+    sed -i 's/replica-read-only yes/replica-read-only no/g' ${RedisConfDir}/redis.conf 
 fi
 if [ ! -e "${FERootDir}/config.js" ]; then    
     cp ${FERootDir}/default/config.js ${FERootDir}; 
diff --git a/docs/tips.txt b/docs/tips.txt
index 723cdec..f0b8232 100644
--- a/docs/tips.txt
+++ b/docs/tips.txt
@@ -41,4 +41,10 @@ exp license:netype=UDM,neid=SZ_01
 uni license:netype=AMF,neid=SZ_01
 
 
-java -Dfile.encoding=utf-8 -jar ost-20230807.jar
\ No newline at end of file
+java -Dfile.encoding=utf-8 -jar ost-20230807.jar
+
+#导出数据库所有的表结构和数据
+mysqldump -h 192.168.2.211 -P 33066 -u root -p1000omc@kp! omc_db > omc_db.sql
+
+#导出数据库user表结构和数据
+mysqldump -h 192.168.2.211 -P 33066 -u root -p1000omc@kp! omc_db user > omc_db.sql
\ No newline at end of file