diff --git a/iot-module/iot-system/src/main/java/cc/iotkit/system/controller/SysConfigController.java b/iot-module/iot-system/src/main/java/cc/iotkit/system/controller/SysConfigController.java
index 1cc41b35..3fb76f7d 100644
--- a/iot-module/iot-system/src/main/java/cc/iotkit/system/controller/SysConfigController.java
+++ b/iot-module/iot-system/src/main/java/cc/iotkit/system/controller/SysConfigController.java
@@ -68,8 +68,8 @@ public class SysConfigController extends BaseController {
 
   @ApiOperation("根据参数键名查询参数值")
   @PostMapping(value = "/getConfigKey")
-  public void getConfigKey(@RequestBody @Validated Request<String> request) {
-    configService.selectConfigByKey(request.getData());
+  public String  getConfigKey(@RequestBody @Validated Request<String> request) {
+    return configService.selectConfigByKey(request.getData());
   }
 
 
diff --git a/iot-module/iot-system/src/main/java/cc/iotkit/system/service/impl/SysConfigServiceImpl.java b/iot-module/iot-system/src/main/java/cc/iotkit/system/service/impl/SysConfigServiceImpl.java
index eb8d9114..1e152362 100644
--- a/iot-module/iot-system/src/main/java/cc/iotkit/system/service/impl/SysConfigServiceImpl.java
+++ b/iot-module/iot-system/src/main/java/cc/iotkit/system/service/impl/SysConfigServiceImpl.java
@@ -61,9 +61,7 @@ public class SysConfigServiceImpl implements ISysConfigService, ConfigService {
      */
     @Override
     public String selectConfigByKey(String configKey) {
-        SysConfig data = new SysConfig();
-        data.setConfigKey(configKey);
-        SysConfig sysConfig = sysConfigData.findOneByCondition(data);
+        SysConfig sysConfig = sysConfigData.findByConfigKey(configKey);
         if (ObjectUtil.isNotNull(sysConfig)) {
             return sysConfig.getConfigValue();
         }