diff --git a/src/com/wentch/redkale/source/DataJDBCSource.java b/src/com/wentch/redkale/source/DataJDBCSource.java
index 1ec5c699c..77f266909 100644
--- a/src/com/wentch/redkale/source/DataJDBCSource.java
+++ b/src/com/wentch/redkale/source/DataJDBCSource.java
@@ -877,103 +877,103 @@ public final class DataJDBCSource implements DataSource {
         }
     }
 
-    //-----------------------getSingleResult-----------------------------
+    //-----------------------getNumberResult-----------------------------
     //-----------------------------MAX-----------------------------
     @Override
-    public Number getMaxSingleResult(final Class entityClass, final String column) {
-        return getMaxSingleResult(entityClass, column, (FilterNode) null);
+    public Number getMaxNumberResult(final Class entityClass, final String column) {
+        return getMaxNumberResult(entityClass, column, (FilterNode) null);
     }
 
     @Override
-    public Number getMaxSingleResult(final Class entityClass, final String column, FilterBean bean) {
-        return getSingleResult(ReckonType.MAX, entityClass, column, null, bean);
+    public Number getMaxNumberResult(final Class entityClass, final String column, FilterBean bean) {
+        return getNumberResult(ReckonType.MAX, entityClass, column, null, bean);
     }
 
     @Override
-    public Number getMaxSingleResult(final Class entityClass, final String column, FilterNode node) {
-        return getSingleResult(ReckonType.MAX, entityClass, column, node, null);
+    public Number getMaxNumberResult(final Class entityClass, final String column, FilterNode node) {
+        return getNumberResult(ReckonType.MAX, entityClass, column, node, null);
     }
 
     //-----------------------------MIN-----------------------------
     @Override
-    public Number getMinSingleResult(final Class entityClass, final String column) {
-        return getMinSingleResult(entityClass, column, (FilterNode) null);
+    public Number getMinNumberResult(final Class entityClass, final String column) {
+        return getMinNumberResult(entityClass, column, (FilterNode) null);
     }
 
     @Override
-    public Number getMinSingleResult(final Class entityClass, final String column, FilterBean bean) {
-        return getSingleResult(ReckonType.MIN, entityClass, column, null, bean);
+    public Number getMinNumberResult(final Class entityClass, final String column, FilterBean bean) {
+        return getNumberResult(ReckonType.MIN, entityClass, column, null, bean);
     }
 
     @Override
-    public Number getMinSingleResult(final Class entityClass, final String column, FilterNode node) {
-        return getSingleResult(ReckonType.MIN, entityClass, column, node, null);
+    public Number getMinNumberResult(final Class entityClass, final String column, FilterNode node) {
+        return getNumberResult(ReckonType.MIN, entityClass, column, node, null);
     }
 
     //-----------------------------SUM-----------------------------
     @Override
-    public Number getSumSingleResult(final Class entityClass, final String column) {
-        return getSumSingleResult(entityClass, column, (FilterNode) null);
+    public Number getSumNumberResult(final Class entityClass, final String column) {
+        return getSumNumberResult(entityClass, column, (FilterNode) null);
     }
 
     @Override
-    public Number getSumSingleResult(final Class entityClass, final String column, FilterBean bean) {
-        return getSingleResult(ReckonType.SUM, entityClass, column, null, bean);
+    public Number getSumNumberResult(final Class entityClass, final String column, FilterBean bean) {
+        return getNumberResult(ReckonType.SUM, entityClass, column, null, bean);
     }
 
     @Override
-    public Number getSumSingleResult(final Class entityClass, final String column, FilterNode node) {
-        return getSingleResult(ReckonType.SUM, entityClass, column, node, null);
+    public Number getSumNumberResult(final Class entityClass, final String column, FilterNode node) {
+        return getNumberResult(ReckonType.SUM, entityClass, column, node, null);
     }
 
     //----------------------------COUNT----------------------------
     @Override
-    public Number getCountSingleResult(final Class entityClass) {
-        return getCountSingleResult(entityClass, (FilterNode) null);
+    public Number getCountNumberResult(final Class entityClass) {
+        return getCountNumberResult(entityClass, (FilterNode) null);
     }
 
     @Override
-    public Number getCountSingleResult(final Class entityClass, FilterBean bean) {
-        return getSingleResult(ReckonType.COUNT, entityClass, null, null, bean);
+    public Number getCountNumberResult(final Class entityClass, FilterBean bean) {
+        return getNumberResult(ReckonType.COUNT, entityClass, null, null, bean);
     }
 
     @Override
-    public Number getCountSingleResult(final Class entityClass, FilterNode node) {
-        return getSingleResult(ReckonType.COUNT, entityClass, null, node, null);
+    public Number getCountNumberResult(final Class entityClass, FilterNode node) {
+        return getNumberResult(ReckonType.COUNT, entityClass, null, node, null);
     }
 
     @Override
-    public Number getCountDistinctSingleResult(final Class entityClass, String column) {
-        return getCountDistinctSingleResult(entityClass, column, (FilterNode) null);
+    public Number getCountDistinctNumberResult(final Class entityClass, String column) {
+        return getCountDistinctNumberResult(entityClass, column, (FilterNode) null);
     }
 
     @Override
-    public Number getCountDistinctSingleResult(final Class entityClass, String column, FilterBean bean) {
-        return getSingleResult(ReckonType.DISTINCTCOUNT, entityClass, column, null, bean);
+    public Number getCountDistinctNumberResult(final Class entityClass, String column, FilterBean bean) {
+        return getNumberResult(ReckonType.DISTINCTCOUNT, entityClass, column, null, bean);
     }
 
     @Override
-    public Number getCountDistinctSingleResult(final Class entityClass, final String column, FilterNode node) {
-        return getSingleResult(ReckonType.DISTINCTCOUNT, entityClass, column, node, null);
+    public Number getCountDistinctNumberResult(final Class entityClass, final String column, FilterNode node) {
+        return getNumberResult(ReckonType.DISTINCTCOUNT, entityClass, column, node, null);
     }
 
     //-----------------------------AVG-----------------------------
     @Override
-    public Number getAvgSingleResult(final Class entityClass, final String column) {
-        return getAvgSingleResult(entityClass, column, (FilterNode) null);
+    public Number getAvgNumberResult(final Class entityClass, final String column) {
+        return getAvgNumberResult(entityClass, column, (FilterNode) null);
     }
 
     @Override
-    public Number getAvgSingleResult(final Class entityClass, final String column, FilterBean bean) {
-        return getSingleResult(ReckonType.AVG, entityClass, column, null, bean);
+    public Number getAvgNumberResult(final Class entityClass, final String column, FilterBean bean) {
+        return getNumberResult(ReckonType.AVG, entityClass, column, null, bean);
     }
 
     @Override
-    public Number getAvgSingleResult(final Class entityClass, final String column, FilterNode node) {
-        return getSingleResult(ReckonType.AVG, entityClass, column, node, null);
+    public Number getAvgNumberResult(final Class entityClass, final String column, FilterNode node) {
+        return getNumberResult(ReckonType.AVG, entityClass, column, node, null);
     }
 
-    private <T> Number getSingleResult(final ReckonType type, final Class<T> entityClass, final String column, FilterNode node, FilterBean bean) {
+    private <T> Number getNumberResult(final ReckonType type, final Class<T> entityClass, final String column, FilterNode node, FilterBean bean) {
         final Connection conn = createReadSQLConnection();
         try {
             final EntityInfo<T> info = loadEntityInfo(entityClass);
@@ -982,7 +982,7 @@ public final class DataJDBCSource implements DataSource {
             if (cache != null && cache.isFullLoaded()) {
                 Predicate<T> filter = node == null ? null : node.createFilterPredicate(info, bean);
                 if (node == null || node.isJoinAllCached()) {
-                    return cache.getSingleResult(type, column == null ? null : info.getAttribute(column), filter);
+                    return cache.getNumberResult(type, column == null ? null : info.getAttribute(column), filter);
                 }
             }
             final String sql = "SELECT " + type.getReckonColumn("a." + column) + " FROM " + info.getTable() + " a"
diff --git a/src/com/wentch/redkale/source/DataJPASource.java b/src/com/wentch/redkale/source/DataJPASource.java
index e27168c8c..43bb7c8fe 100644
--- a/src/com/wentch/redkale/source/DataJPASource.java
+++ b/src/com/wentch/redkale/source/DataJPASource.java
@@ -177,6 +177,96 @@ final class DataJPASource implements DataSource {
         throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
     }
 
+    @Override
+    public Number getMaxNumberResult(Class entityClass, String column) {
+        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    }
+
+    @Override
+    public Number getMaxNumberResult(Class entityClass, String column, FilterBean bean) {
+        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    }
+
+    @Override
+    public Number getMaxNumberResult(Class entityClass, String column, FilterNode node) {
+        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    }
+
+    @Override
+    public Number getMinNumberResult(Class entityClass, String column) {
+        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    }
+
+    @Override
+    public Number getMinNumberResult(Class entityClass, String column, FilterBean bean) {
+        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    }
+
+    @Override
+    public Number getMinNumberResult(Class entityClass, String column, FilterNode node) {
+        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    }
+
+    @Override
+    public Number getSumNumberResult(Class entityClass, String column) {
+        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    }
+
+    @Override
+    public Number getSumNumberResult(Class entityClass, String column, FilterBean bean) {
+        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    }
+
+    @Override
+    public Number getSumNumberResult(Class entityClass, String column, FilterNode node) {
+        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    }
+
+    @Override
+    public Number getCountNumberResult(Class entityClass) {
+        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    }
+
+    @Override
+    public Number getCountNumberResult(Class entityClass, FilterBean bean) {
+        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    }
+
+    @Override
+    public Number getCountNumberResult(Class entityClass, FilterNode node) {
+        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    }
+
+    @Override
+    public Number getCountDistinctNumberResult(Class entityClass, String column) {
+        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    }
+
+    @Override
+    public Number getCountDistinctNumberResult(Class entityClass, String column, FilterBean bean) {
+        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    }
+
+    @Override
+    public Number getCountDistinctNumberResult(Class entityClass, String column, FilterNode node) {
+        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    }
+
+    @Override
+    public Number getAvgNumberResult(Class entityClass, String column) {
+        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    }
+
+    @Override
+    public Number getAvgNumberResult(Class entityClass, String column, FilterBean bean) {
+        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    }
+
+    @Override
+    public Number getAvgNumberResult(Class entityClass, String column, FilterNode node) {
+        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    }
+
     private static class DataJPAConnection extends DataConnection {
 
         private final EntityManager manager;
diff --git a/src/com/wentch/redkale/source/DataSource.java b/src/com/wentch/redkale/source/DataSource.java
index c33919443..2fb71b5b6 100644
--- a/src/com/wentch/redkale/source/DataSource.java
+++ b/src/com/wentch/redkale/source/DataSource.java
@@ -91,48 +91,48 @@ public interface DataSource {
 
     public <T> void updateColumnIncrement(final DataConnection conn, Class<T> clazz, Serializable id, String column, long incvalue);
 
-    //-----------------------getSingleResult-----------------------------
+    //-----------------------getNumberResult-----------------------------
     //-----------------------------MAX-----------------------------
-    public Number getMaxSingleResult(final Class entityClass, final String column);
+    public Number getMaxNumberResult(final Class entityClass, final String column);
 
-    public Number getMaxSingleResult(final Class entityClass, final String column, FilterBean bean);
+    public Number getMaxNumberResult(final Class entityClass, final String column, FilterBean bean);
 
-    public Number getMaxSingleResult(final Class entityClass, final String column, FilterNode node);
+    public Number getMaxNumberResult(final Class entityClass, final String column, FilterNode node);
 
     //-----------------------------MIN-----------------------------
-    public Number getMinSingleResult(final Class entityClass, final String column);
+    public Number getMinNumberResult(final Class entityClass, final String column);
 
-    public Number getMinSingleResult(final Class entityClass, final String column, FilterBean bean);
+    public Number getMinNumberResult(final Class entityClass, final String column, FilterBean bean);
 
-    public Number getMinSingleResult(final Class entityClass, final String column, FilterNode node);
+    public Number getMinNumberResult(final Class entityClass, final String column, FilterNode node);
 
     //-----------------------------SUM-----------------------------
-    public Number getSumSingleResult(final Class entityClass, final String column);
+    public Number getSumNumberResult(final Class entityClass, final String column);
 
-    public Number getSumSingleResult(final Class entityClass, final String column, FilterBean bean);
+    public Number getSumNumberResult(final Class entityClass, final String column, FilterBean bean);
 
-    public Number getSumSingleResult(final Class entityClass, final String column, FilterNode node);
+    public Number getSumNumberResult(final Class entityClass, final String column, FilterNode node);
 
     //----------------------------COUNT----------------------------
-    public Number getCountSingleResult(final Class entityClass);
+    public Number getCountNumberResult(final Class entityClass);
 
-    public Number getCountSingleResult(final Class entityClass, FilterBean bean);
+    public Number getCountNumberResult(final Class entityClass, FilterBean bean);
 
-    public Number getCountSingleResult(final Class entityClass, FilterNode node);
+    public Number getCountNumberResult(final Class entityClass, FilterNode node);
 
     //----------------------------DISTINCT COUNT----------------------------
-    public Number getCountDistinctSingleResult(final Class entityClass, String column);
+    public Number getCountDistinctNumberResult(final Class entityClass, String column);
 
-    public Number getCountDistinctSingleResult(final Class entityClass, String column, FilterBean bean);
+    public Number getCountDistinctNumberResult(final Class entityClass, String column, FilterBean bean);
 
-    public Number getCountDistinctSingleResult(final Class entityClass, String column, FilterNode node);
+    public Number getCountDistinctNumberResult(final Class entityClass, String column, FilterNode node);
 
     //-----------------------------AVG-----------------------------
-    public Number getAvgSingleResult(final Class entityClass, final String column);
+    public Number getAvgNumberResult(final Class entityClass, final String column);
 
-    public Number getAvgSingleResult(final Class entityClass, final String column, FilterBean bean);
+    public Number getAvgNumberResult(final Class entityClass, final String column, FilterBean bean);
 
-    public Number getAvgSingleResult(final Class entityClass, final String column, FilterNode node);
+    public Number getAvgNumberResult(final Class entityClass, final String column, FilterNode node);
 
     //-----------------------find----------------------------
     /**
diff --git a/src/com/wentch/redkale/source/EntityCache.java b/src/com/wentch/redkale/source/EntityCache.java
index b26dd0efb..96cee18c3 100644
--- a/src/com/wentch/redkale/source/EntityCache.java
+++ b/src/com/wentch/redkale/source/EntityCache.java
@@ -99,7 +99,7 @@ final class EntityCache<T> {
         return (filter != null) && listStream().filter(filter).findFirst().isPresent();
     }
 
-    public <V> Number getSingleResult(final ReckonType type, final Attribute<T, V> attr, final Predicate<T> filter) {
+    public <V> Number getNumberResult(final ReckonType type, final Attribute<T, V> attr, final Predicate<T> filter) {
         Stream<T> stream = listStream();
         if (filter != null) stream = stream.filter(filter);
         switch (type) {
@@ -115,7 +115,7 @@ final class EntityCache<T> {
                 } else if (attr.type() == double.class || attr.type() == Double.class) {
                     return stream.mapToDouble(x -> (Double) attr.get(x)).average().orElse(0);
                 }
-                throw new RuntimeException("getSingleResult error(type:" + type + ", attr.declaringClass: " + attr.declaringClass() + ", attr.field: " + attr.field() + ", attr.type: " + attr.type());
+                throw new RuntimeException("getNumberResult error(type:" + type + ", attr.declaringClass: " + attr.declaringClass() + ", attr.field: " + attr.field() + ", attr.type: " + attr.type());
             case COUNT: return stream.count();
             case DISTINCTCOUNT: return stream.map(x -> attr.get(x)).distinct().count();
 
@@ -131,7 +131,7 @@ final class EntityCache<T> {
                 } else if (attr.type() == double.class || attr.type() == Double.class) {
                     return stream.mapToDouble(x -> (Double) attr.get(x)).max().orElse(0);
                 }
-                throw new RuntimeException("getSingleResult error(type:" + type + ", attr.declaringClass: " + attr.declaringClass() + ", attr.field: " + attr.field() + ", attr.type: " + attr.type());
+                throw new RuntimeException("getNumberResult error(type:" + type + ", attr.declaringClass: " + attr.declaringClass() + ", attr.field: " + attr.field() + ", attr.type: " + attr.type());
 
             case MIN:
                 if (attr.type() == int.class || attr.type() == Integer.class) {
@@ -145,7 +145,7 @@ final class EntityCache<T> {
                 } else if (attr.type() == double.class || attr.type() == Double.class) {
                     return stream.mapToDouble(x -> (Double) attr.get(x)).min().orElse(0);
                 }
-                throw new RuntimeException("getSingleResult error(type:" + type + ", attr.declaringClass: " + attr.declaringClass() + ", attr.field: " + attr.field() + ", attr.type: " + attr.type());
+                throw new RuntimeException("getNumberResult error(type:" + type + ", attr.declaringClass: " + attr.declaringClass() + ", attr.field: " + attr.field() + ", attr.type: " + attr.type());
 
             case SUM:
                 if (attr.type() == int.class || attr.type() == Integer.class) {
@@ -159,7 +159,7 @@ final class EntityCache<T> {
                 } else if (attr.type() == double.class || attr.type() == Double.class) {
                     return stream.mapToDouble(x -> (Double) attr.get(x)).sum();
                 }
-                throw new RuntimeException("getSingleResult error(type:" + type + ", attr.declaringClass: " + attr.declaringClass() + ", attr.field: " + attr.field() + ", attr.type: " + attr.type());
+                throw new RuntimeException("getNumberResult error(type:" + type + ", attr.declaringClass: " + attr.declaringClass() + ", attr.field: " + attr.field() + ", attr.type: " + attr.type());
         }
         return -1;
     }