diff --git a/src/main/java/com/glxp/api/controller/inout/IoOrderDetailResultController.java b/src/main/java/com/glxp/api/controller/inout/IoOrderDetailResultController.java
index 09e4f688c..6bdc3790f 100644
--- a/src/main/java/com/glxp/api/controller/inout/IoOrderDetailResultController.java
+++ b/src/main/java/com/glxp/api/controller/inout/IoOrderDetailResultController.java
@@ -275,7 +275,7 @@ public class IoOrderDetailResultController extends BaseController {
             ioOrderDetailResultData.put("manufacturer", ioOrderDetailResultResponse.getManufacturer() == null ? ' ' : ioOrderDetailResultResponse.getManufacturer());
             ioOrderDetailResultData.put("measname", ioOrderDetailResultResponse.getMeasname() == null ? ' ' : ioOrderDetailResultResponse.getMeasname());
             ioOrderDetailResultData.put("spec", ioOrderDetailResultResponse.getSpec() == null ? ' ' : ioOrderDetailResultResponse.getSpec());
-            ioOrderDetailResultData.put("price", ioOrderDetailResultResponse.getPrice() == null ? ' ' : ioOrderDetailResultResponse.getPrice());
+            ioOrderDetailResultData.put("price", ioOrderDetailResultResponse.getPrice() == null ? null : ioOrderDetailResultResponse.getPrice());
             ioOrderDetailResultData.put("count", ioOrderDetailResultResponse.getCount());
             ioOrderDetailResultData.put("reCount", ioOrderDetailResultResponse.getReCount());
             ioOrderDetailResultData.put("inCount", ioOrderDetailResultResponse.getInCount());