优化接收Stripe回调时数据重复存储问题（添加唯一索引）

src/main/java/com/ai/da/common/utils/RequestInfoUtil.java

@@ -93,7 +93,7 @@ public class RequestInfoUtil {
             BufferedReader br = new BufferedReader(new InputStreamReader(conn.getInputStream()));
             String output;
             StringBuilder outputBuilder = new StringBuilder();
-            System.out.println("Output from Server .... \n");
+//            System.out.println("Output from Server .... \n");
             while ((output = br.readLine()) != null) {
                 outputBuilder.append(output);
                 System.out.println(output);