diff --git a/par-api/src/main/java/com/par/api/controller/TimeController.java b/par-api/src/main/java/com/par/api/controller/TimeController.java
new file mode 100644
index 0000000..7e2b895
--- /dev/null
+++ b/par-api/src/main/java/com/par/api/controller/TimeController.java
@@ -0,0 +1,25 @@
+package com.par.api.controller;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.Map;
+
+/**
+ * 基准时间接口
+ * 客户端签名前获取服务端时间戳，避免时钟偏差导致签名失效
+ */
+@RestController
+@RequestMapping("/api/v1")
+public class TimeController {
+
+    /**
+     * 返回服务端当前 Unix 时间戳（秒）
+     */
+    @GetMapping("/time")
+    public Map<String, Object> serverTime() {
+        long now = System.currentTimeMillis() / 1000;
+        return Map.of("timestamp", now, "unit", "seconds");
+    }
+}