diff --git a/src/main/java/com/njcn/influx/query/InfluxQueryWrapper.java b/src/main/java/com/njcn/influx/query/InfluxQueryWrapper.java
index ec888a2..dec9479 100644
--- a/src/main/java/com/njcn/influx/query/InfluxQueryWrapper.java
+++ b/src/main/java/com/njcn/influx/query/InfluxQueryWrapper.java
@@ -555,10 +555,10 @@ public class InfluxQueryWrapper {
      * @param columnName 表字段名
      * @param resultName 映射名称
      * @return InfluxQueryWrapper
-     * 输出 MAX("columnName") as resultName
+     * 输出 MIN("columnName") as resultName
      */
     public InfluxQueryWrapper min(String columnName, String resultName) {
-        String selectFragment = InfluxDbSqlConstant.MAX +
+        String selectFragment = InfluxDbSqlConstant.MIN +
                 InfluxDbSqlConstant.LBK +
                 InfluxDbSqlConstant.DQM +
                 columnName +