fix

zhongzheng-api/src/main/java/com/zhongzheng/controller/wx/WxPayController.java

@@ -54,7 +54,7 @@ public class WxPayController
     @PostMapping("/callback")
     public AjaxResult callback(@RequestBody String notifyData)
     {
-        return AjaxResult.success(iWxPayService.paymentCallBack(notifyData););
+        return AjaxResult.success(iWxPayService.paymentCallBack(notifyData));
     }
 
 }

zhongzheng-system/src/main/java/com/zhongzheng/modules/wx/service/IWxPayService.java

@@ -26,6 +26,6 @@ public interface IWxPayService {
 	 */
 	Map<String, String> payment(String out_trade_no,String openid,String body,String price);
 
-	void paymentCallBack(String notifyData);
+	String paymentCallBack(String notifyData);
 
 }

zhongzheng-system/src/main/java/com/zhongzheng/modules/wx/service/impl/WxPayServiceImpl.java

@@ -122,7 +122,7 @@ public class WxPayServiceImpl  implements IWxPayService {
     }
 
     @Override
-    public void paymentCallBack(String notifyData) {
+    public String paymentCallBack(String notifyData) {
         WxSmallConfig config = new WxSmallConfig(appid,mchid,key);
         try {
             WXPay wxpay = new WXPay(config);
@@ -149,6 +149,7 @@ public class WxPayServiceImpl  implements IWxPayService {
         } catch (Exception e) {
             e.printStackTrace();
         }
+        return null;
     }
 
     /**