Index: ssts-maintain/src/main/java/com/forgon/disinfectsystem/maintain/device/service/XinHuaDataManagerImpl.java
===================================================================
diff -u -r35564 -r35603
--- ssts-maintain/src/main/java/com/forgon/disinfectsystem/maintain/device/service/XinHuaDataManagerImpl.java	(.../XinHuaDataManagerImpl.java)	(revision 35564)
+++ ssts-maintain/src/main/java/com/forgon/disinfectsystem/maintain/device/service/XinHuaDataManagerImpl.java	(.../XinHuaDataManagerImpl.java)	(revision 35603)
@@ -830,7 +830,13 @@
 				jsonObject.put("machineNo" , fileName.substring(0 , fileName.indexOf("st")));
 				afterSt = fileName.substring(fileName.indexOf("st") + 2);
 			}
+			if(afterSt == null){
+				return null;
+			}
 			String[] afterStArray = afterSt.split("-");
+			if(afterStArray.length < 3){
+				return null;
+			}
 			jsonObject.put("sterilingDate" , afterStArray[0]);
 			jsonObject.put("frequency" , afterStArray[1]);
 			jsonObject.put("cycleCounter" , afterStArray[2]);
@@ -845,7 +851,13 @@
 				jsonObject.put("machineNo" , fileName.substring(0 , fileName.indexOf("ws") + 2));
 				afterSt = fileName.substring(fileName.indexOf("ws") + 2);
 			}
+			if(afterSt == null){
+				return null;
+			}
 			String[] afterStArray = afterSt.split("-");
+			if(afterStArray.length < 3){
+				return null;
+			}
 			jsonObject.put("washDate" , afterStArray[0]);
 			jsonObject.put("frequency" , afterStArray[1]);
 			jsonObject.put("cycleCounter" , afterStArray[2]);