diff --git a/server/migrations/0005_filterconfig_min_max_amount.py b/server/migrations/0005_filterconfig_min_max_amount.py
new file mode 100644
index 0000000..f6f0843
--- /dev/null
+++ b/server/migrations/0005_filterconfig_min_max_amount.py
@@ -0,0 +1,25 @@
+# -*- coding: utf-8 -*-
+"""
+筛选配置表增加最小金额、最大金额字段，与前端请求/响应字段名统一
+"""
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('server', '0004_add_followup_config'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='filterconfig',
+            name='min_amount',
+            field=models.IntegerField(blank=True, null=True, verbose_name='最小金额'),
+        ),
+        migrations.AddField(
+            model_name='filterconfig',
+            name='max_amount',
+            field=models.IntegerField(blank=True, null=True, verbose_name='最大金额'),
+        ),
+    ]
diff --git a/server/models.py b/server/models.py
index dc56ebe..2cdf539 100644
--- a/server/models.py
+++ b/server/models.py
@@ -120,6 +120,8 @@ class FilterConfig(models.Model):
     collection_min = models.IntegerField(default=10, verbose_name="收藏最少个数/天")
     collection_max = models.IntegerField(default=50, verbose_name="收藏最多个数/天")
     message_interval = models.IntegerField(default=30, verbose_name="打招呼间隔秒")
+    min_amount = models.IntegerField(null=True, blank=True, verbose_name="最小金额")
+    max_amount = models.IntegerField(null=True, blank=True, verbose_name="最大金额")
     is_active = models.BooleanField(default=True, verbose_name="是否启用")
     created_at = models.DateTimeField(auto_now_add=True, verbose_name="创建时间")
     updated_at = models.DateTimeField(auto_now=True, verbose_name="更新时间")
diff --git a/server/serializers.py b/server/serializers.py
index 9c95738..fa9c400 100644
--- a/server/serializers.py
+++ b/server/serializers.py
@@ -91,12 +91,30 @@ class LoginSerializer(serializers.Serializer):
 
 # ────────────────────────── 筛选配置 ──────────────────────────
 
+# 请求中可能出现的“金额”字段别名，统一映射为 min_amount / max_amount，保证请求与响应字段名一致
+FILTER_AMOUNT_ALIASES = {
+    "minAmount": "min_amount",
+    "maxAmount": "max_amount",
+    "最小金额": "min_amount",
+    "最大金额": "max_amount",
+}
+
+
 class FilterConfigSerializer(serializers.ModelSerializer):
     class Meta:
         model = FilterConfig
         fields = "__all__"
         read_only_fields = ["id", "created_at", "updated_at"]
 
+    def to_internal_value(self, data):
+        """请求中兼容 minAmount/maxAmount、最小金额/最大金额 等别名，统一为 min_amount/max_amount。"""
+        if isinstance(data, dict):
+            data = dict(data)
+            for alias, canonical in FILTER_AMOUNT_ALIASES.items():
+                if alias in data and canonical not in data:
+                    data[canonical] = data.pop(alias)
+        return super().to_internal_value(data)
+
 
 # ────────────────────────── 话术 ──────────────────────────