fix:余额url

mec-client-api/src/main/java/com/ym/mec/web/WebFeignService.java

@@ -77,6 +77,6 @@ public interface WebFeignService {
 	HttpResponseResult receive(@RequestParam("orderNo") String orderNo,@RequestParam("autoReceive") boolean autoReceive);
 
 	// 商城获取 收货状态
-	@PostMapping("/balance")
+	@PostMapping("/api/balance")
 	HttpResponseResult<BigDecimal> balance(@RequestParam("userId") Long userId);
 }