fix文件上传签名

toolset/thirdparty-component/src/main/java/com/yonge/toolset/thirdparty/entity/UploadSign.java

@@ -15,7 +15,7 @@ public class UploadSign implements Serializable {
 
     private String filename;
 
-    private Map<String, Object> postData;
+    private Map<String, String> postData;
 
     private List<String> unknowValueField;
 
@@ -37,11 +37,11 @@ public class UploadSign implements Serializable {
         this.filename = filename;
     }
 
-    public Map<String, Object> getPostData() {
+    public Map<String, String> getPostData() {
         return postData;
     }
 
-    public void setPostData(Map<String, Object> postData) {
+    public void setPostData(Map<String, String> postData) {
         this.postData = postData;
     }