diff --git a/src/main/java/com/rebuild/core/service/trigger/impl/FieldAggregation.java b/src/main/java/com/rebuild/core/service/trigger/impl/FieldAggregation.java
index ae7f70078..89ab43a9f 100644
--- a/src/main/java/com/rebuild/core/service/trigger/impl/FieldAggregation.java
+++ b/src/main/java/com/rebuild/core/service/trigger/impl/FieldAggregation.java
@@ -25,7 +25,6 @@
 import com.rebuild.core.metadata.easymeta.EasyMetaFactory;
 import com.rebuild.core.privileges.PrivilegesGuardContextHolder;
 import com.rebuild.core.privileges.UserService;
-import com.rebuild.core.service.RecordHelper;
 import com.rebuild.core.service.general.GeneralEntityServiceContextHolder;
 import com.rebuild.core.service.general.OperatingContext;
 import com.rebuild.core.service.general.RecordDifference;
@@ -86,7 +85,7 @@ public class FieldAggregation extends TriggerAction {
     protected String followSourceWhere;
 
     public FieldAggregation(ActionContext context) {
-        this(context, Boolean.FALSE);
+        this(context, Boolean.TRUE);
     }
 
     protected FieldAggregation(ActionContext context, boolean ignoreSame) {
@@ -278,16 +277,19 @@ public Object execute(OperatingContext operatingContext) throws TriggerException
 
         // 回填 (v3.1)
         // 仅分组聚合有此配置
-
         String fillbackField = ((JSONObject) actionContext.getActionContent()).getString("fillbackField");
         if (fillbackField != null && MetadataHelper.checkAndWarnField(sourceEntity, fillbackField)) {
-            String sql = String.format("select %s from %s where %s",
-                    sourceEntity.getPrimaryField().getName(), sourceEntity.getName(), filterSql);
+            String sql = String.format("select %s,%s from %s where %s",
+                    sourceEntity.getPrimaryField().getName(), fillbackField, sourceEntity.getName(), filterSql);
             Object[][] fillbacks = Application.createQueryNoFilter(sql).array();
 
-            for (Object[] to : fillbacks) {
+            for (Object[] o : fillbacks) {
+                if (CommonsUtils.isSame(o[1], targetRecordId)) continue;
+
                 // FIXME 回填仅更新，无业务规则
-                RecordHelper.setValue((ID) to[0], fillbackField, targetRecordId);
+                Record r = EntityHelper.forUpdate((ID) o[0], UserService.SYSTEM_USER, false);
+                r.setID(fillbackField, targetRecordId);
+                Application.getCommonsService().update(r, false);
             }
         }
 
diff --git a/src/main/java/com/rebuild/core/service/trigger/impl/GroupAggregation.java b/src/main/java/com/rebuild/core/service/trigger/impl/GroupAggregation.java
index 43710600c..0a910070e 100644
--- a/src/main/java/com/rebuild/core/service/trigger/impl/GroupAggregation.java
+++ b/src/main/java/com/rebuild/core/service/trigger/impl/GroupAggregation.java
@@ -55,6 +55,7 @@ public GroupAggregation(ActionContext context) {
         this(context, Boolean.FALSE);
     }
 
+    // ignoreSame 本触发器有回填，忽略同值会导致无法回填
     public GroupAggregation(ActionContext context, boolean ignoreSame) {
         super(context, ignoreSame);
     }
diff --git a/src/main/java/com/rebuild/utils/CommonsUtils.java b/src/main/java/com/rebuild/utils/CommonsUtils.java
index 643b8523a..10f23cbdd 100644
--- a/src/main/java/com/rebuild/utils/CommonsUtils.java
+++ b/src/main/java/com/rebuild/utils/CommonsUtils.java
@@ -13,6 +13,7 @@
 import com.rebuild.core.Application;
 import com.rebuild.core.RebuildException;
 import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.collections4.CollectionUtils;
 import org.apache.commons.io.IOUtils;
 import org.apache.commons.lang.StringEscapeUtils;
 import org.apache.commons.lang.StringUtils;
@@ -26,6 +27,7 @@
 import java.math.RoundingMode;
 import java.net.URI;
 import java.nio.charset.StandardCharsets;
+import java.util.Arrays;
 import java.util.Collection;
 import java.util.Objects;
 import java.util.UUID;
@@ -258,17 +260,37 @@ public static boolean hasLength(Object any) {
      * @param b
      * @return
      */
+    @SuppressWarnings("unchecked")
     public static boolean isSame(Object a, Object b) {
-        boolean e = Objects.equals(a, b);
-        if (!e) {
-            if (a instanceof Number && b instanceof Number) {
-                // FIXME 有精度问题
-                e = ObjectUtils.toDouble(a) == ObjectUtils.toDouble(b);
-            }
+        if (a == null && b != null) return false;
+        if (a != null && b == null) return false;
+        if (Objects.equals(a, b)) return true;
+
+        // 数字
+        if (a instanceof Number && b instanceof Number) {
+            // FIXME 有精度问题
+            return ObjectUtils.toDouble(a) == ObjectUtils.toDouble(b);
         }
-        return e;
-    }
 
+        // 集合/数组
+        if ((a instanceof Collection || a instanceof Object[]) && (b instanceof Collection || b instanceof Object[])) {
+            Collection<Object> aColl;
+            if (a instanceof Object[]) aColl = Arrays.asList((Object[]) a);
+            else aColl = (Collection<Object>) a;
+            Collection<Object> bColl;
+            if (b instanceof Object[]) bColl = Arrays.asList((Object[]) b);
+            else bColl = (Collection<Object>) b;
+
+            if (aColl.size() != bColl.size()) return false;
+            if (aColl.isEmpty()) return true;
+            return CollectionUtils.containsAll(aColl, bColl) && CollectionUtils.containsAll(bColl, aColl);
+        }
+
+        // 其他
+        // FIXME 完善不同值类型的比较
+        return StringUtils.equals(a.toString(), b.toString());
+    }
+    
     /**
      * 指定范围的随机数
      *