diff --git a/talkonlineweb/src/main/java/com/lyms/talkonlineweb/controller/OrderController.java b/talkonlineweb/src/main/java/com/lyms/talkonlineweb/controller/OrderController.java
index 960a09e..9245035 100644
--- a/talkonlineweb/src/main/java/com/lyms/talkonlineweb/controller/OrderController.java
+++ b/talkonlineweb/src/main/java/com/lyms/talkonlineweb/controller/OrderController.java
@@ -20,6 +20,7 @@ import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
+import sun.security.provider.MD5;
 
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
@@ -181,10 +182,20 @@ public class OrderController {
             String success = "SUCCESS";
             if (retMap != null && retMap.size() > 0 && success.equals(retMap.get("return_code")) && success.equals(retMap.get("result_code")))
             {
-                data.put("payId",retMap.get("prepay_id"));
-                data.put("nonce_str",retMap.get("nonce_str"));
-                data.put("paySign",retMap.get("sign"));
-                data.put("timestamp",System.currentTimeMillis()/1000+"");
+                SortedMap<Object,Object> map=new TreeMap<>();
+                String nonceStr=NumberUtil.getRandomString(16);
+                String timeStamp=System.currentTimeMillis()/1000+"";
+                map.put("appId",Constant.PAT_APP_ID);
+                map.put("nonceStr",nonceStr);
+                map.put("package","prepay_id="+retMap.get("prepay_id"));
+                map.put("signType","MD5");
+                map.put("timeStamp",timeStamp);
+                System.out.println("createSign:"+createSign(null, map));
+
+                data.put("packageValue",retMap.get("prepay_id"));
+                data.put("nonceStr",nonceStr);
+                data.put("paySign",createSign(null, map));
+                data.put("timeStamp",timeStamp);
                 return data;
             }
         }
@@ -400,4 +411,32 @@ public class OrderController {
     }
 
 
+    /**
+     * 微信支付签名算法sign
+     * @param characterEncoding
+     * @param parameters
+     * @return
+     */
+    public static String createSign(String characterEncoding,SortedMap<Object,Object> parameters){
+        StringBuffer sb = new StringBuffer();
+        Set es = parameters.entrySet();//所有参与传参的参数按照accsii排序（升序）
+        Iterator it = es.iterator();
+        while(it.hasNext()) {
+            Map.Entry entry = (Map.Entry)it.next();
+            String k = (String)entry.getKey();
+            Object v = entry.getValue();
+            if(null != v && !"".equals(v)
+                    && !"sign".equals(k) && !"key".equals(k)) {
+                sb.append(k + "=" + v + "&");
+            }
+        }
+
+        sb.append("key=" + Constant.REQ_KEY);
+        System.out.println("签名字符串:"+sb.toString());
+        System.out.println("签名MD5未变大写：" + MD5Util.MD5Encode(sb.toString(), characterEncoding));
+        String sign = MD5Util.MD5Encode(sb.toString(), characterEncoding).toUpperCase();
+        return sign;
+    }
+
+
 }
diff --git a/talkonlineweb/src/main/java/com/lyms/talkonlineweb/util/MD5Util.java b/talkonlineweb/src/main/java/com/lyms/talkonlineweb/util/MD5Util.java
index 1e70630..0d34079 100644
--- a/talkonlineweb/src/main/java/com/lyms/talkonlineweb/util/MD5Util.java
+++ b/talkonlineweb/src/main/java/com/lyms/talkonlineweb/util/MD5Util.java
@@ -6,6 +6,9 @@ import java.security.NoSuchAlgorithmException;
 /**
  */
 public class MD5Util {
+    private static final String hexDigits[] = { "0", "1", "2", "3", "4", "5",
+            "6", "7", "8", "9", "a", "b", "c", "d", "e", "f"
+    };
 
     /**
      * md5加密
@@ -36,4 +39,42 @@ public class MD5Util {
             return null;
         }
     }
+
+    /**
+     * md5加密并转为大写
+     * @param origin 拼接的字符串
+     * @return
+     */
+    public static String MD5Encode(String origin, String charsetname) {
+        String resultString = null;
+        try {
+            resultString = new String(origin);
+            MessageDigest md = MessageDigest.getInstance("MD5");
+            if (charsetname == null || "".equals(charsetname))
+                resultString = byteArrayToHexString(md.digest(resultString
+                        .getBytes()));
+            else
+                resultString = byteArrayToHexString(md.digest(resultString
+                        .getBytes(charsetname)));
+        } catch (Exception exception) {
+        }
+        return resultString;
+    }
+    private static String byteArrayToHexString(byte b[]) {
+        StringBuffer resultSb = new StringBuffer();
+        for (int i = 0; i < b.length; i++)
+            resultSb.append(byteToHexString(b[i]));
+
+        return resultSb.toString();
+    }
+
+    private static String byteToHexString(byte b) {
+        int n = b;
+        if (n < 0)
+            n += 256;
+        int d1 = n / 16;
+        int d2 = n % 16;
+        return hexDigits[d1] + hexDigits[d2];
+    }
+
 }