diff --git a/src/main/java/cn/chjyj/szwh/utils/pay/method/ApiUtil.java b/src/main/java/cn/chjyj/szwh/utils/pay/method/ApiUtil.java
index 274a403..2879a72 100644
--- a/src/main/java/cn/chjyj/szwh/utils/pay/method/ApiUtil.java
+++ b/src/main/java/cn/chjyj/szwh/utils/pay/method/ApiUtil.java
@@ -1,10 +1,11 @@
 package cn.chjyj.szwh.utils.pay.method;
 
-import com.alibaba.fastjson.JSONObject;
-import com.masget.api.security.AesEncryption;
-import com.masget.api.security.HttpsUtil;
-import com.masget.api.security.MD5Util;
-import com.masget.api.security.TimeUtil;
+import cn.chjyj.szwh.utils.pay.security.AesEncryption;
+import cn.chjyj.szwh.utils.pay.security.HttpsUtil;
+import cn.chjyj.szwh.utils.pay.security.MD5Util;
+import cn.chjyj.szwh.utils.pay.security.TimeUtil;
+import com.alibaba.fastjson2.JSONObject;
+
 
 public class ApiUtil {
 	private static final String FORMAT = "json";
@@ -17,6 +18,7 @@ public class ApiUtil {
 			String encryptdata = AesEncryption.Encrypt(data, secretkey,
 					secretkey);
 			String timestamp = TimeUtil.getTime();
+			// md5签名
 			String signstr = MD5Util.string2MD5(secretkey + appid
 					+ encryptdata + FORMAT + method + session + timestamp
 					+ VERSION + secretkey);
@@ -29,7 +31,7 @@ public class ApiUtil {
 			requestObj.put("v", VERSION);
 			requestObj.put("timestamp", timestamp);
 			requestObj.put("sign", signstr);
-
+			//执行ssl请求
 			result = HttpsUtil.doSslPost(openApiUrl,
 					requestObj.toJSONString(), "utf-8");
 		} catch (Exception ex) {
diff --git a/src/main/java/cn/chjyj/szwh/utils/pay/security/AesEncryption.java b/src/main/java/cn/chjyj/szwh/utils/pay/security/AesEncryption.java
index 3a00719..969e26a 100644
--- a/src/main/java/cn/chjyj/szwh/utils/pay/security/AesEncryption.java
+++ b/src/main/java/cn/chjyj/szwh/utils/pay/security/AesEncryption.java
@@ -6,6 +6,14 @@ import javax.crypto.spec.SecretKeySpec;
 
 public class AesEncryption {
 
+	/**
+	 * 加密
+	 * @param data
+	 * @param key
+	 * @param iv
+	 * @return
+	 * @throws Exception
+	 */
 	public static String Encrypt(String data, String key, String iv)
 			throws Exception {
 		try {
@@ -36,6 +44,14 @@ public class AesEncryption {
 		}
 	}
 
+	/**
+	 * 解密
+	 * @param data
+	 * @param key
+	 * @param iv
+	 * @return
+	 * @throws Exception
+	 */
 	public static String Desencrypt(String data, String key, String iv)
 			throws Exception {
 		try {
diff --git a/src/main/java/cn/chjyj/szwh/utils/pay/security/Base64Method.java b/src/main/java/cn/chjyj/szwh/utils/pay/security/Base64Method.java
index ae5411c..90f344a 100644
--- a/src/main/java/cn/chjyj/szwh/utils/pay/security/Base64Method.java
+++ b/src/main/java/cn/chjyj/szwh/utils/pay/security/Base64Method.java
@@ -2,6 +2,9 @@ package cn.chjyj.szwh.utils.pay.security;
 
 import org.apache.commons.codec.binary.Base64;
 
+/**
+ * 安全base64 替换 = +
+ */
 public class Base64Method {
 
 	public static String EncryptBase64(String a_strString) throws Exception {
diff --git a/src/main/java/cn/chjyj/szwh/utils/pay/security/MD5Util.java b/src/main/java/cn/chjyj/szwh/utils/pay/security/MD5Util.java
index 96bcbdf..6aab75d 100644
--- a/src/main/java/cn/chjyj/szwh/utils/pay/security/MD5Util.java
+++ b/src/main/java/cn/chjyj/szwh/utils/pay/security/MD5Util.java
@@ -5,7 +5,7 @@ import java.security.MessageDigest;
 public class MD5Util {
 
 	/*** 
-     * MD5加码 生成32位md5�?
+     * MD5加码 生成32位长度的md5字符串
      */  
     public static String string2MD5(String inStr){  
         MessageDigest md5 = null;  
diff --git a/src/test/java/cn/chjyj/szwh/PayTest.java b/src/test/java/cn/chjyj/szwh/PayTest.java
new file mode 100644
index 0000000..5a2dfa9
--- /dev/null
+++ b/src/test/java/cn/chjyj/szwh/PayTest.java
@@ -0,0 +1,32 @@
+package cn.chjyj.szwh;
+
+import cn.chjyj.szwh.utils.pay.security.AesEncryption;
+import com.alibaba.fastjson2.JSONObject;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+@SpringBootTest
+@RunWith(SpringJUnit4ClassRunner.class)
+public class PayTest {
+    @Test
+    public void pback(){
+        String ss=" {\"Data\":\"kfz3sNCvoH6jMGoM7NFwfQuLpuG50zIu-c5DKJcJovqVOUSoy4V9k0M5VOSQd7hiznlVtlI774Sh1AUYbtIFB8rSNP8FGOIMwxrAwSoWJCIIbpy9ow4cyiUc5PgbcPcZVmNAyeyMIr6MRnXKO1vI1FQmyY2oA5R22yw6zgKsIgH1k_7wL2j4Vnuk5VNsPrROaN53gX9wLosNGlHJwYncSYBfu8CSwuvJH1Py0ki-mdX7RkbmTSBQR7FZXnNXRCdrTTV3D8X44T6RWQ3qGtQuMVUSHaLrP35254KaBGYjUc4rNT-dWbVivwJUX2_hNJz8AAqvFybIsXLM0wMbM4EWOSAgnCoy89AwLf6smUMk38ik-JUqT28gU7nBu1QZUzLOelnI7Wy2BjTPhhqqLztIaz1YlCkOBYQtdzyrbH12IUM4530blgWis_gXflICC_gyhu-BTSSGQk3ZiSLtRTwrLosQqNMPv5sCxRDW2Mx9uYB39sFOxXm_UKVRYQNDU_xcmh35o0Bp3uvzW7V0ecichQd2dcD15_72jD62zvG_iBUZw5r5VRSxT67H1OchC0ZWL5afBkGgUVKCJhaLaaLWe5fK9UC8oNDheW9W5nVSUDvIE68ApkHkLQg0LfmatikFUUt7yiGhUOjSWD3eYTsBsj6HIpx6nHdQqO-A6kMWzXv8SQeYm4cuZj2jEHQGAAoBt5F1ig1m-efJZFVRQIwEvfajca8xuNpK_0N94q9GWUz2-FHuyInXC0Sf1DkFWwAXzw4n7JMIQC6nnO7xAJjPvE7npngCQzk1XWlbgXalFZNvDeALFpIILR5lYEGi_t7DVAMi0FQfzeEAETSX3Je5nLhvvrIdOVACJFNo-naTxDxeOBPGDCA80x2wFLnOnLzGNy7yvJPUYIYm2d84jkfADKfUYqNJQTy9LK7B79Lm7cE1aV03OGIXloyohkFOEswTo92Dgru51-eMyf0FR73dj4uLDkN5Or_1CeywiBaZmMnbMHVzOBK8GSjzX6IH7ly4K_F2UgcQGHJE6RLFF56ANc8rb-XnRhKFhpZrxDyMNYKHucW05VmV0eUNFOtYN-cIUJIkR7nbGBWEYMz0nT5IojEDePyKrRFsLOZrcJIW107vPfbMSLlHsPyrZVIYYdOUhcRWI2U-uSn2c3v-l9S9T88cZzASG_6SjB25Dd61ID-K8NSNTUWJkOWRl-GvnypLcMkA56ZSpJ6dc6GIXyt3eMeGCWjOubV2m1l7EXdomfNyagA7SmO5RVrVCOMZqI2ar8p-ojxWn2mMFdn4FfCp5w==\",\n" +
+                "\"Sign\":\"f3520d69d7cd9dc16403603ff12fa399\",\"Method\":\"paymentreport\",\"Appid\":\"910000198\"}";
+        JSONObject json = JSONObject.parseObject(ss);
+        // 解密
+        String data = json.getString("Data");
+//        $openapiurl="https://t.masget.com/openapi/rest";
+//        $session = "iba3t9dqln8etmcaceq1xtqr7urevia1";
+//        $appid="910000198";
+//        $secretkey="gRAZZKiNw0UbTuF9";
+        String sckey ="gRAZZKiNw0UbTuF9";
+        try {
+            String desencrypt=AesEncryption.Desencrypt(data, sckey, sckey);
+            System.out.println(desencrypt);
+        }catch (Exception ex){
+            ex.printStackTrace();
+        }
+    }
+}