diff --git a/backend/src/main/java/com/yfd/platform/data/domain/FishDraftData.java b/backend/src/main/java/com/yfd/platform/data/domain/FishDraftData.java
index b78bee5..90085ef 100644
--- a/backend/src/main/java/com/yfd/platform/data/domain/FishDraftData.java
+++ b/backend/src/main/java/com/yfd/platform/data/domain/FishDraftData.java
@@ -1,6 +1,7 @@
 package com.yfd.platform.data.domain;
 
 import com.baomidou.mybatisplus.annotation.*;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 
@@ -16,6 +17,7 @@ import java.util.Date;
 @Data
 @EqualsAndHashCode(callSuper = false)
 @TableName("FISH_DRAFT_DATA")
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class FishDraftData implements Serializable {
 
     private static final long serialVersionUID = 1L;
diff --git a/backend/src/main/java/com/yfd/platform/data/domain/FishImportResult.java b/backend/src/main/java/com/yfd/platform/data/domain/FishImportResult.java
index d466b44..b0ffa2a 100644
--- a/backend/src/main/java/com/yfd/platform/data/domain/FishImportResult.java
+++ b/backend/src/main/java/com/yfd/platform/data/domain/FishImportResult.java
@@ -1,5 +1,6 @@
 package com.yfd.platform.data.domain;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import lombok.Data;
 
 import java.util.ArrayList;
@@ -8,6 +9,7 @@ import java.util.List;
 import java.util.Map;
 
 @Data
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class FishImportResult {
 
     private List<FishImportRow> successRows;
@@ -34,12 +36,18 @@ public class FishImportResult {
     }
 
     @Data
+    @JsonIgnoreProperties(ignoreUnknown = true)
     public static class FishImportRow {
         private int rowIndex;
         private FishDraftData data;
         private List<String> unrecognizedFields;
         private List<String> warnings;
 
+        public FishImportRow() {
+            this.unrecognizedFields = new ArrayList<>();
+            this.warnings = new ArrayList<>();
+        }
+
         public FishImportRow(int rowIndex) {
             this.rowIndex = rowIndex;
             this.unrecognizedFields = new ArrayList<>();