diff --git a/main/java/shkd/repc/recon/opplugin/YongyouBIPOperation.java b/main/java/shkd/repc/recon/opplugin/YongyouBIPOperation.java
index 6778b0a..e9643aa 100644
--- a/main/java/shkd/repc/recon/opplugin/YongyouBIPOperation.java
+++ b/main/java/shkd/repc/recon/opplugin/YongyouBIPOperation.java
@@ -378,7 +378,12 @@ public class YongyouBIPOperation extends AbstractOperationServicePlugIn implemen
             payData.put("def11","合同付款");//自定义项11 流程类型：有合同 无合同
         }
         payData.put("def12",payrequestinfo.getString("billno"));//自定义项12 付款申请单的单号（全局唯一才行）
-        payData.put("def13",payrequestinfo.getString("description"));//备注。传合同总金额及付款比例等，拼接凭证摘要
+        //截取-防止BIP接口字段超长报错
+        String description = payrequestinfo.getString("description");
+        if (description != null && description.length() > 50) {
+            description = description.substring(0, 50);
+        }
+        payData.put("def13", description);//备注。传合同总金额及付款比例等，拼接凭证摘要
 
         //------------------以下是表体组装--------------------
         JSONArray jas = new JSONArray();
@@ -772,10 +777,10 @@ public class YongyouBIPOperation extends AbstractOperationServicePlugIn implemen
                             def4Builder.append(typeName).append(":").append(String.join(",", numbers));
                         });
 
-                // 截取200字符
+                // 截取100字符
                 String def4Value = def4Builder.toString();
-                if (def4Value.length() > 200) {
-                    def4Value = def4Value.substring(0, 200);
+                if (def4Value.length() > 100) {
+                    def4Value = def4Value.substring(0, 100);
                 }
                 payData.put("def4", def4Value);
             }