diff --git a/src/main/java/com/njcn/influx/query/InfluxQueryWrapper.java b/src/main/java/com/njcn/influx/query/InfluxQueryWrapper.java
index bc81d9f..ec888a2 100644
--- a/src/main/java/com/njcn/influx/query/InfluxQueryWrapper.java
+++ b/src/main/java/com/njcn/influx/query/InfluxQueryWrapper.java
@@ -888,7 +888,7 @@ public class InfluxQueryWrapper {
      * 输出  columnName
      */
     @SafeVarargs
-    public final  <T, R> InfluxQueryWrapper groupBy(ICFunction<T, R>... columnName) {
+    public final <T, R> InfluxQueryWrapper groupBy(ICFunction<T, R>... columnName) {
         for (ICFunction<T, R> tricFunction : columnName) {
             groupColumn.add(this.getColumnName(measurement, LambdaUtil.columnToString(tricFunction)));
         }
@@ -996,17 +996,7 @@ public class InfluxQueryWrapper {
      */
     private String getColumnName(Class<?> clazz, String fieldName) {
         Field field = this.getTargetClassField(clazz, fieldName);
-        Column column = field.getAnnotation(Column.class);
-        //数据库字段
-        String influxColumn;
-        if (Objects.isNull(column)) {
-            //没有注解，就用属性名
-            influxColumn = fieldName;
-        } else {
-            //获取注解映射的名称
-            influxColumn = column.name();
-        }
-        return influxColumn;
+        return getColumnName(field);
     }