根据环境，来下载对应的

ios_build_pre.sh

+# 编译发布前需要执行的操作
+
+if [ -z "$1" ]; then
+  echo '需要指定环境变量'
+fi
+
+base_root='/Users/ethanlam/works/gitlab/flutter_pros/appframe.git/assets'
+cd $base_root
+
+if [ ! -z "$1" ]; then
+# 首先下载同步最新的数据包
+    rm -f assets/dist.zip
+    cd assets
+    if [ "$1" == 'dev' ]; then
+        wget https://bxe-obs.banxiaoer.com/fronts/material/xehybrid/assets/basepkg/base-dev.zip
+        cp -f base-dev.zip $base_root/assets/dist.zip
+        echo 'wget dev is done '
+    fi
+    if [ "$1" == 'pro' ]; then
+        wget https://bxe-obs.banxiaoer.com/fronts/material/xehybrid/assets/basepkg/base-pro.zip
+        cp -f base-pro.zip $base_root/assets/dist.zip
+        echo 'wget pro is done '
+    fi
+fi
+
+echo 'done '