修改shell语法

shell/bot.sh

@@ -27,8 +27,15 @@ if [[ $PipMirror ]]; then
   pip3 config set global.index-url $PipMirror
 fi
 cp -f "$repo_path/jbot/requirements.txt" "$dir_root"
+
 cd $dir_root
-pip3 --default-timeout=100 install -r requirements.txt --no-cache-dir
+cat requirements.txt | while read LREAD
+do
+if test ! -z "$(pip3 show "${LREAD%%=*}" 1>/dev/null)"; then
+  pip3 --default-timeout=100 install ${LREAD}
+fi
+done
+
 echo -e "\npython3依赖安装成功...\n"
 
 echo -e "4、启动bot程序...\n"