diff --git a/SysUserRepository.java b/SysUserRepository.java
new file mode 100644
index 0000000..53484bd
--- /dev/null
+++ b/SysUserRepository.java
@@ -0,0 +1,12 @@
+//SysUser.java的接口
+package com.power.travel.repository;
+
+import com.power.travel.model.SysUser;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface SysUserRepository extends JpaRepository<SysUser, Integer>, JpaSpecificationExecutor<SysUser> {
+    SysUser findSysUserByUsername(String username);
+}
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