diff --git a/class/core/system_api.py b/class/core/system_api.py
index 80ad6ae9e..b174e31bd 100755
--- a/class/core/system_api.py
+++ b/class/core/system_api.py
@@ -319,7 +319,10 @@ class system_api:
             return 1
 
     def getDiskInfo(self, get=None):
-        return self.getDiskInfo2()
+        info = self.getDiskInfo2()
+        if len(info) != 0:
+            return info
+
         # 取磁盘分区信息
         diskIo = psutil.disk_partitions()
         diskInfo = []
diff --git a/scripts/install/arch.sh b/scripts/install/arch.sh
index 1b4d386da..2c0c80a65 100644
--- a/scripts/install/arch.sh
+++ b/scripts/install/arch.sh
@@ -37,6 +37,8 @@ echo y | pacman -Sy libtool
 echo y | pacman -Sy imagemagick
 echo y | pacman -Sy mariadb-clients
 echo y | pacman -Sy rpcsvc-proto
+echo y | pacman -Sy lemon
+
 
 # zypper install -y freetype freetype-devel
 # zypper install -y libjpeg-devel libpng-devel