Index: ssts-tousse/src/main/java/com/forgon/disinfectsystem/tousse/toussedefinition/service/TousseDefinitionManagerImpl.java
===================================================================
diff -u -r17536 -r17620
--- ssts-tousse/src/main/java/com/forgon/disinfectsystem/tousse/toussedefinition/service/TousseDefinitionManagerImpl.java	(.../TousseDefinitionManagerImpl.java)	(revision 17536)
+++ ssts-tousse/src/main/java/com/forgon/disinfectsystem/tousse/toussedefinition/service/TousseDefinitionManagerImpl.java	(.../TousseDefinitionManagerImpl.java)	(revision 17620)
@@ -2406,7 +2406,7 @@
 			}
 			json.put("totalPrice", totalPrice);
 			json.put("totalAmout", totalAmout);
-			json.put("price", MathTools.divide(totalPrice, totalAmout, 4));
+			json.put("price", totalAmout == 0?0.0:MathTools.divide(totalPrice, totalAmout, 4));
 			json.put("materialStr", StringTools.join(materialStr, "/"));
 		}
 		return json;