diff --git a/Dockerfile b/Dockerfile
index 210bef5..508e434 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 #FROM php:7.4.33-cli-alpine
-FROM php:8.1.24-cli
-#FROM php:8.2.11-cli-alpine
+# FROM php:8.1.24-cli
+FROM php:8.2.11-cli-alpine
 
 LABEL Maintainer="ShaoBo Wan (Tinywan) <756684177@qq.com>" \
       Description="Webman Lightweight container with PHP 8.2.11 based on Alpine Linux."
@@ -18,8 +18,8 @@ RUN apk update && apk add bash curl ca-certificates openssl openssh git nano lib
 COPY ./extension /tmp/extension
 WORKDIR /tmp/extension
 RUN chmod +x install.sh \
-    && sh install.sh 
-    # && rm -rf /tmp/extension
+    && sh install.sh \
+    && rm -rf /tmp/extension
 
 RUN php -m
 
@@ -49,7 +49,7 @@ USER root
 WORKDIR /app
 
 # Expose the port nginx is reachable on
-EXPOSE 8080
+EXPOSE 8787
 
 # Let supervisord start nginx & php
 CMD ["/usr/bin/supervisord", "-c", "/etc/supervisor/conf.d/supervisord.conf"]
diff --git a/README.md b/README.md
index d154c10..c093117 100644
--- a/README.md
+++ b/README.md
@@ -106,3 +106,48 @@ docker rmi -f $(docker images -qa)
 
 
 
+## dos2unix install.sh
+
+```
+=> ERROR [ 7/14] RUN chmod +x install.sh     && sh install.sh     && rm -rf /tmp/extension                                                                 0.2s 
+------
+ > [ 7/14] RUN chmod +x install.sh     && sh install.sh     && rm -rf /tmp/extension:
+: not foundll.sh: line 1: #!/bin/sh
+: not foundll.sh: line 2:
+: not foundll.sh: line 4:
+: not foundll.sh: line 10: echo
+: not foundll.sh: line 11:
+: not foundll.sh: line 13:
+: not foundll.sh: line 30:
+0.217 install.sh: return: line 36: Illegal number: 0
+```
+查看文本格式
+```
+$ cat -A install.sh 
+M-oM-;M-?#!/bin/sh^M$
+^M$
+export MC="-j$(nproc)"^M$
+^M$
+echo "============================================"^M$
+echo "Install extensions from   : install.sh"^M$
+echo "PHP version               : ${PHP_VERSION}"^M$
+echo "Work directory            : ${PWD}"^M$
+echo "============================================"^M$
+echo^M$
+^M$
+export EXTENSIONS="gd,bcmath,pdo,mysqli,pdo_mysql,redis,bz2,calendar,opcache,pcntl,sockets,amqp,zip,soap,event,"^M$
+^M$
+#^M$
+# Check if current php version is greater than or equal to^M$
+# specific version.^M$
+#^M$
+# For example, to check if current php is greater than or^M$
+# equal to PHP 7.0:^M$
+#^M$
+# isPhpVersionGreaterOrEqual 8 0^M$
+#^M$
+# Param 1: Specific PHP Major version^M$
+# Param 2: Specific PHP Minor version^M$
+# Return : 1 if greater than or equal to, 0 if less than^M$
+```
+> dos2unix install.sh 转换
diff --git a/extension/install.sh b/extension/install.sh
index b2ec8bf..6602666 100644
--- a/extension/install.sh
+++ b/extension/install.sh
@@ -33,7 +33,7 @@ isPhpVersionGreaterOrEqual() {
     # else
     #     return 0;
     # fi
-    return 0;
+    return 0
 }
 
 #