diff --git a/src/main/java/com/njcn/influx/query/InfluxQueryWrapper.java b/src/main/java/com/njcn/influx/query/InfluxQueryWrapper.java
index fdcfb26..d1cb84f 100644
--- a/src/main/java/com/njcn/influx/query/InfluxQueryWrapper.java
+++ b/src/main/java/com/njcn/influx/query/InfluxQueryWrapper.java
@@ -132,7 +132,19 @@ public class InfluxQueryWrapper {
         }
         return this;
     }
+    public <T, R> InfluxQueryWrapper select(String columnName,String resultColumnName) {
+        StringBuilder selectFragment = new StringBuilder();
 
+        selectFragment.append(StrPool.C_SPACE)
+                        .append(columnName)
+                        .append(StrPool.C_SPACE)
+                        .append(InfluxDbSqlConstant.AS)
+                        .append(StrPool.C_SPACE)
+                        .append(resultColumnName)
+                        .append(StrPool.C_SPACE);
+        selectColumns.add(selectFragment+"");
+        return this;
+    }
 
 //    /***
 //     * 查询的结果属性
@@ -160,6 +172,7 @@ public class InfluxQueryWrapper {
 //    }
 
 
+
     /************常见的简单函数处理比如max/min/mean/percentile****************/
 
     /***
@@ -917,6 +930,34 @@ public class InfluxQueryWrapper {
         return this;
     }
 
+    public <T, R> InfluxQueryWrapper between(String fieldName, Object val1, Object val2) {
+        StringBuilder selectFragment = new StringBuilder();
+        selectFragment.append(StrPool.C_SPACE)
+                .append(fieldName)
+                .append(InfluxDbSqlConstant.GE);
+
+        if (val1 instanceof String) {
+            //需要用单引号包装下
+            selectFragment.append(InfluxDbSqlConstant.QM)
+                    .append(val1)
+                    .append(InfluxDbSqlConstant.QM)
+                    .append(InfluxDbSqlConstant.AND)
+                    .append(fieldName)
+                    .append(InfluxDbSqlConstant.LE)
+                    .append(InfluxDbSqlConstant.QM)
+                    .append(val2)
+                    .append(InfluxDbSqlConstant.QM);
+        } else {
+            selectFragment.append(val1)
+                    .append(InfluxDbSqlConstant.AND)
+                    .append(fieldName)
+                    .append(InfluxDbSqlConstant.LE)
+                    .append(val2);
+        }
+        this.conditions.add(selectFragment.toString());
+        return this;
+    }
+
 
     /***
      * 指定字段等于某个值
@@ -1267,6 +1308,13 @@ public class InfluxQueryWrapper {
         return this;
     }
 
+    public final <T, R> InfluxQueryWrapper groupBy(String columnName) {
+
+       groupColumn.add(columnName);
+
+        return this;
+    }
+
 
     /***
      * 指定字段降序