diff --git a/env-example b/env-example
index 0d4ebe6..f80d0f6 100644
--- a/env-example
+++ b/env-example
@@ -76,6 +76,8 @@ COMPOSE_CONVERT_WINDOWS_PATHS=1
 CHANGE_SOURCE=false
 # Set CHANGE_SOURCE and UBUNTU_SOURCE option if you want to change the Ubuntu system sources.list file.
 UBUNTU_SOURCE=aliyun
+# Set ORACLE INSTANT_CLIENT_MIRROR option if you want to use Intranet improve download, you can download files first
+ORACLE_INSTANT_CLIENT_MIRROR=http://192.168.0.42/downloads/oracle_instant_client/
 
 ### Docker Sync ###########################################
 
diff --git a/php-fpm/Dockerfile b/php-fpm/Dockerfile
index d05426d..2eac938 100644
--- a/php-fpm/Dockerfile
+++ b/php-fpm/Dockerfile
@@ -489,6 +489,7 @@ RUN set -xe; \
 ###########################################################################
 
 ARG INSTALL_OCI8=false
+ARG ORACLE_INSTANT_CLIENT_MIRROR=https://github.com/diogomascarenha/oracle-instantclient/raw/master/
 
 ENV LD_LIBRARY_PATH="/opt/oracle/instantclient_12_1"
 ENV OCI_HOME="/opt/oracle/instantclient_12_1"
@@ -502,8 +503,8 @@ RUN if [ ${INSTALL_OCI8} = true ]; then \
     # Install Oracle Instantclient
     && mkdir /opt/oracle \
         && cd /opt/oracle \
-        && wget https://github.com/diogomascarenha/oracle-instantclient/raw/master/instantclient-basic-linux.x64-12.1.0.2.0.zip \
-        && wget https://github.com/diogomascarenha/oracle-instantclient/raw/master/instantclient-sdk-linux.x64-12.1.0.2.0.zip \
+        && wget ${ORACLE_INSTANT_CLIENT_MIRROR}instantclient-basic-linux.x64-12.1.0.2.0.zip \
+        && wget ${ORACLE_INSTANT_CLIENT_MIRROR}instantclient-sdk-linux.x64-12.1.0.2.0.zip \
         && unzip /opt/oracle/instantclient-basic-linux.x64-12.1.0.2.0.zip -d /opt/oracle \
         && unzip /opt/oracle/instantclient-sdk-linux.x64-12.1.0.2.0.zip -d /opt/oracle \
         && ln -s /opt/oracle/instantclient_12_1/libclntsh.so.12.1 /opt/oracle/instantclient_12_1/libclntsh.so \
diff --git a/workspace/Dockerfile b/workspace/Dockerfile
index 6d059ba..5b417b3 100644
--- a/workspace/Dockerfile
+++ b/workspace/Dockerfile
@@ -829,6 +829,7 @@ RUN set -xe; \
 
 USER root
 ARG INSTALL_OCI8=false
+ARG ORACLE_INSTANT_CLIENT_MIRROR=https://github.com/diogomascarenha/oracle-instantclient/raw/master/
 
 ENV LD_LIBRARY_PATH="/opt/oracle/instantclient_12_1"
 ENV OCI_HOME="/opt/oracle/instantclient_12_1"
@@ -842,8 +843,8 @@ RUN if [ ${INSTALL_OCI8} = true ]; then \
   # Install Oracle Instantclient
   && mkdir /opt/oracle \
       && cd /opt/oracle \
-      && wget https://github.com/diogomascarenha/oracle-instantclient/raw/master/instantclient-basic-linux.x64-12.1.0.2.0.zip \
-      && wget https://github.com/diogomascarenha/oracle-instantclient/raw/master/instantclient-sdk-linux.x64-12.1.0.2.0.zip \
+      && wget ${ORACLE_INSTANT_CLIENT_MIRROR}instantclient-basic-linux.x64-12.1.0.2.0.zip \
+      && wget ${ORACLE_INSTANT_CLIENT_MIRROR}instantclient-sdk-linux.x64-12.1.0.2.0.zip \
       && unzip /opt/oracle/instantclient-basic-linux.x64-12.1.0.2.0.zip -d /opt/oracle \
       && unzip /opt/oracle/instantclient-sdk-linux.x64-12.1.0.2.0.zip -d /opt/oracle \
       && ln -s /opt/oracle/instantclient_12_1/libclntsh.so.12.1 /opt/oracle/instantclient_12_1/libclntsh.so \