volume路径为空时，修改

src/com/platform/utils/ThreadVolume.java

@@ -84,11 +84,13 @@ public class ThreadVolume extends Thread {
 					List<String> path = volumeInfo
 							.getVolumeMountPoint(volumeName);
 					// 默认加载第一个路径
+					if (null != path) {
 						for (String one : path) {
 							if (!one.contains("df")) {
 								volume.setPath(one);
 							}
 						}
+					}
 					if (null == volume.getPath()) {
 						volume.setPath("");
 					}