diff --git a/sa-admin/src/main/java/net/lab1024/sa/admin/module/app/file/controller/OSSFileController.java b/sa-admin/src/main/java/net/lab1024/sa/admin/module/app/file/controller/OSSFileController.java
index a9efca3..d83ca17 100644
--- a/sa-admin/src/main/java/net/lab1024/sa/admin/module/app/file/controller/OSSFileController.java
+++ b/sa-admin/src/main/java/net/lab1024/sa/admin/module/app/file/controller/OSSFileController.java
@@ -71,4 +71,35 @@ public class OSSFileController {
             return ResponseDTO.userErrorParam();
         }
     }
+
+    @ApiOperation(value = "获取上传文件 Policy ", notes="type==1 普通；type==2 签名图片")
+    @GetMapping("/file/getOSSPolicy/admin/{type}")
+    public ResponseDTO<OSSPolicyVO> getOSSPolicyAdmin(@PathVariable int type){
+        OSSFileTypeEnum ossFileType = OSSFileTypeEnum.getByVal(type);
+        Long requestUserId = SmartRequestUtil.getRequestUserId();
+        String dir = ossFileType.getDesc() + File.separator + "images/";
+//        String dir = ossFileType.getDesc() + File.separator + requestUserId + File.separator;
+        // callbackUrl为 上传回调服务器的URL，请将下面的IP和Port配置为您自己的真实信息。
+        OSSClient client = new OSSClient(endpoint, accessKey, secretKey);
+        try {
+            long expireTime = 30;
+            long expireEndTime = System.currentTimeMillis() + expireTime * 1000;
+            Date expiration = new Date(expireEndTime);
+            PolicyConditions policyConds = new PolicyConditions();
+            policyConds.addConditionItem(PolicyConditions.COND_CONTENT_LENGTH_RANGE, 0, 10*1024*1024);// 最大 10 M
+            policyConds.addConditionItem(MatchMode.StartWith, PolicyConditions.COND_KEY, ossFileType.getDesc());
+
+            String postPolicy = client.generatePostPolicy(expiration, policyConds);
+            byte[] binaryData = postPolicy.getBytes("utf-8");
+            String encodedPolicy = BinaryUtil.toBase64String(binaryData);
+            String postSignature = client.calculatePostSignature(postPolicy);
+
+
+            OSSPolicyVO policyVO = new OSSPolicyVO(accessKey, encodedPolicy, postSignature, dir, host, String.valueOf(expireEndTime / 1000));
+            return ResponseDTO.ok(policyVO);
+        } catch (Exception e) {
+            e.printStackTrace();
+            return ResponseDTO.userErrorParam();
+        }
+    }
 }