diff --git a/src/main/java/com/api/xuanran/wang/eny/workflow/controller/GetExchangeRate.java b/src/main/java/com/api/xuanran/wang/eny/workflow/controller/GetExchangeRate.java
index c0bcc2a..2bac670 100644
--- a/src/main/java/com/api/xuanran/wang/eny/workflow/controller/GetExchangeRate.java
+++ b/src/main/java/com/api/xuanran/wang/eny/workflow/controller/GetExchangeRate.java
@@ -2,8 +2,12 @@ package com.api.xuanran.wang.eny.workflow.controller;
 
 import aiyh.utils.ApiResult;
 import aiyh.utils.Util;
+import aiyh.utils.excention.CustomerException;
+import com.alibaba.fastjson.JSONObject;
+import com.api.xuanran.wang.eny.workflow.mapper.ExchangeRateMapper;
 import io.swagger.v3.oas.annotations.parameters.RequestBody;
 import org.apache.commons.lang3.StringUtils;
+import org.apache.log4j.Logger;
 
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
@@ -21,6 +25,9 @@ import java.util.Map;
 @Path("/wxr/eny/workflow/rate")
 public class GetExchangeRate {
 
+    private final Logger log = Util.getLogger();
+    private final ExchangeRateMapper mapper = Util.getMapper(ExchangeRateMapper.class);
+
     @POST
     @Path("/exchange")
     @Produces(MediaType.APPLICATION_OCTET_STREAM)
@@ -28,17 +35,22 @@ public class GetExchangeRate {
     public String exchangeRate(@Context HttpServletRequest request,
                                @Context HttpServletResponse response,
                                @RequestBody Map<String, String> params){
-        String baseCurrency = request.getParameter("baseCurrency");
-        String interfaceCurrency = request.getParameter("interfaceCurrency");
-        params.get("area");
-        if(StringUtils.isBlank(baseCurrency) || StringUtils.isBlank(interfaceCurrency)){
-            return ApiResult.error("本位币或接口响应币种为空!");
-        }
-
-    }
-
-    private void checkParams(Map<String, String> params){
-        for (Map.Entry<String, String> entry : params.entrySet()) {
+        try {
+            // 地区
+            String area = Util.null2DefaultStr(params.get("area"),"");
+            // 本位币
+            String baseCurrency = Util.null2DefaultStr(params.get("baseCurrency"),"");
+            // 接口币种
+            String interfaceCurrency = Util.null2DefaultStr(params.get("interfaceCurrency"),"");
+            if(StringUtils.isBlank(area) || StringUtils.isBlank(baseCurrency) || StringUtils.isBlank(interfaceCurrency)){
+                log.error("params : " + JSONObject.toJSONString(params));
+                throw new CustomerException("参数不可为空!");
+            }
+            String interfac = mapper.selectCurrencyIdByCurrencyName(interfaceCurrency);
+            return "";
+        }catch (Exception e){
+            return ApiResult.error("汇率转换error : " + e.getMessage());
         }
     }
+
 }
diff --git a/src/main/java/com/api/xuanran/wang/eny/workflow/mapper/ExchangeRateMapper.java b/src/main/java/com/api/xuanran/wang/eny/workflow/mapper/ExchangeRateMapper.java
new file mode 100644
index 0000000..8fe3999
--- /dev/null
+++ b/src/main/java/com/api/xuanran/wang/eny/workflow/mapper/ExchangeRateMapper.java
@@ -0,0 +1,17 @@
+package com.api.xuanran.wang.eny.workflow.mapper;
+
+import aiyh.utils.annotation.recordset.ParamMapper;
+import aiyh.utils.annotation.recordset.Select;
+import aiyh.utils.annotation.recordset.SqlMapper;
+
+/**
+ * <h1></h1>
+ *
+ * @author xuanran.wang
+ * @date 2023/7/14 15:23
+ */
+@SqlMapper
+public interface ExchangeRateMapper {
+    @Select("select id from fnacurrency where currencyname = #{currencyName}")
+    String selectCurrencyIdByCurrencyName(@ParamMapper("currencyName") String currencyName);
+}