diff --git a/src/main/java/com/gaotao/modules/api/entity/IfsInventoryPart.java b/src/main/java/com/gaotao/modules/api/entity/IfsInventoryPart.java
index 818ac9e..161dacf 100644
--- a/src/main/java/com/gaotao/modules/api/entity/IfsInventoryPart.java
+++ b/src/main/java/com/gaotao/modules/api/entity/IfsInventoryPart.java
@@ -9,7 +9,7 @@ public class IfsInventoryPart {
     private String site;
 
     @JsonProperty("contract")
-    private BigDecimal contract;
+    private String contract;
 
     @JsonProperty("description")
     private String description;
diff --git a/src/main/java/com/gaotao/modules/api/service/impl/IfsApiServiceImpl.java b/src/main/java/com/gaotao/modules/api/service/impl/IfsApiServiceImpl.java
index e697f05..4d5c076 100644
--- a/src/main/java/com/gaotao/modules/api/service/impl/IfsApiServiceImpl.java
+++ b/src/main/java/com/gaotao/modules/api/service/impl/IfsApiServiceImpl.java
@@ -103,15 +103,15 @@ public class IfsApiServiceImpl implements IfsApiService {
 
             // 3. 手动 get 并 set，只处理你关心的字段，多余的字段直接忽略
             part.setSite((String) data2.get("site"));
-            part.setContract(toBigDecimal(data2.get("contract")));
+            part.setContract(data2.get("contract")!=null? data2.get("contract").toString():"");
             part.setDescription((String) data2.get("description"));
-            part.setNetVolume(toBigDecimal(data2.get("netVolume")));
-            part.setNetWeight(toBigDecimal(data2.get("netWeight")));
+            part.setNetVolume(BigDecimal.valueOf(data2.get("netVolume")!=null? (Double)data2.get("netVolume"):0));
+            part.setNetWeight(BigDecimal.valueOf(data2.get("netWeight")!=null? (Double)data2.get("netWeight"):0));
             part.setPartNo((String) data2.get("partNo"));
             part.setPartType((String) data2.get("partType"));
             part.setTypeDesignation((String) data2.get("typeDesignation"));
             part.setUnitMeasure((String) data2.get("unitMeasure"));
-            part.setDurabilityDays(toBigDecimal(data2.get("durabilityDays")));
+            part.setDurabilityDays(BigDecimal.valueOf(data2.get("durabilityDays")!=null? (Double)data2.get("durabilityDays"):0));
             part.setPlannerBuyer((String) data2.get("plannerBuyer"));
         }
         List<IfsInventoryPart> parts = new ArrayList<>();