diff --git a/par-core/src/main/java/com/par/core/db/migration/V3__AddConfigTables.java b/par-core/src/main/java/com/par/core/db/migration/V3__AddConfigTables.java
new file mode 100644
index 0000000..4b28a17
--- /dev/null
+++ b/par-core/src/main/java/com/par/core/db/migration/V3__AddConfigTables.java
@@ -0,0 +1,47 @@
+package com.par.core.db.migration;
+
+import org.flywaydb.core.api.migration.BaseJavaMigration;
+import org.flywaydb.core.api.migration.Context;
+
+import java.sql.Statement;
+
+/**
+ * Flyway V3：新增配置表和字段
+ * - sites 表增加 tags 列
+ * - site_pages 表
+ * - risk_rules 表
+ */
+public class V3__AddConfigTables extends BaseJavaMigration {
+
+    @Override
+    public void migrate(Context context) throws Exception {
+        Statement stmt = context.getConnection().createStatement();
+
+        // 站点标签
+        stmt.execute("ALTER TABLE sites ADD COLUMN IF NOT EXISTS tags JSON NULL COMMENT '标签列表' AFTER description");
+
+        // 站点页面配置
+        stmt.execute("CREATE TABLE IF NOT EXISTS site_pages (" +
+                "id BIGINT AUTO_INCREMENT PRIMARY KEY, " +
+                "site_id VARCHAR(64) NOT NULL, " +
+                "version VARCHAR(20) NOT NULL DEFAULT '1.0.0', " +
+                "entries_json LONGTEXT NOT NULL, " +
+                "deleted TINYINT NOT NULL DEFAULT 0, " +
+                "created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP, " +
+                "updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, " +
+                "INDEX idx_site_id (site_id, deleted)) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4");
+
+        // 风险规则
+        stmt.execute("CREATE TABLE IF NOT EXISTS risk_rules (" +
+                "id BIGINT AUTO_INCREMENT PRIMARY KEY, " +
+                "site_type VARCHAR(32) NOT NULL, " +
+                "version INT NOT NULL DEFAULT 1, " +
+                "rules_json LONGTEXT NOT NULL, " +
+                "deleted TINYINT NOT NULL DEFAULT 0, " +
+                "created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP, " +
+                "updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, " +
+                "INDEX idx_site_type (site_type, deleted)) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4");
+
+        System.out.println("[Flyway V3] Config tables and tags column created");
+    }
+}