diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index d8ac007..ccc91c1 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -6,7 +6,6 @@
   <component name="ChangeListManager">
     <list default="true" readonly="true" id="03ed5703-81a1-441b-849c-c426276586b7" name="Default" comment="">
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" afterPath="$PROJECT_DIR$/.idea/workspace.xml" />
-      <change beforePath="$PROJECT_DIR$/example/main.go" afterPath="$PROJECT_DIR$/example/main.go" />
     </list>
     <ignored path=".idea/dataSources.local.xml" />
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
@@ -27,8 +26,8 @@
       <file leaf-file-name="main.go" pinned="false" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/example/main.go">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="285">
-              <caret line="55" column="59" lean-forward="true" selection-start-line="55" selection-start-column="59" selection-end-line="55" selection-end-column="59" />
+            <state relative-caret-position="15">
+              <caret line="55" column="59" lean-forward="false" selection-start-line="55" selection-start-column="59" selection-end-line="55" selection-end-column="59" />
               <folding>
                 <element signature="e#14#209#0" expanded="true" />
               </folding>
@@ -49,7 +48,7 @@
       <file leaf-file-name="cache_redis.go" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/cache/cache_redis.go">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="180">
+            <state relative-caret-position="105">
               <caret line="12" column="14" lean-forward="false" selection-start-line="12" selection-start-column="14" selection-end-line="12" selection-end-column="14" />
               <folding>
                 <element signature="e#15#106#0" expanded="true" />
@@ -71,7 +70,7 @@
       <file leaf-file-name="objtoobj.go" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/objtoobj.go">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="255">
+            <state relative-caret-position="705">
               <caret line="52" column="18" lean-forward="false" selection-start-line="52" selection-start-column="18" selection-end-line="52" selection-end-column="18" />
               <folding />
             </state>
@@ -101,7 +100,7 @@
       <file leaf-file-name="obj.go" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/obj.go">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="468">
+            <state relative-caret-position="990">
               <caret line="66" column="24" lean-forward="false" selection-start-line="66" selection-start-column="24" selection-end-line="66" selection-end-column="24" />
               <folding />
             </state>
@@ -111,7 +110,7 @@
       <file leaf-file-name="cache_db.go" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/cache_db.go">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="281">
+            <state relative-caret-position="1095">
               <caret line="77" column="51" lean-forward="false" selection-start-line="77" selection-start-column="51" selection-end-line="77" selection-end-column="51" />
               <folding />
             </state>
@@ -121,7 +120,7 @@
       <file leaf-file-name="func.go" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/func.go">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="-765">
+            <state relative-caret-position="0">
               <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
               <folding />
             </state>
@@ -235,8 +234,6 @@
       <foldersAlwaysOnTop value="true" />
     </navigator>
     <panes>
-      <pane id="PackagesPane" />
-      <pane id="Scratches" />
       <pane id="AndroidView" />
       <pane id="Scope" />
       <pane id="ProjectPane">
@@ -272,6 +269,8 @@
           <select />
         </subPane>
       </pane>
+      <pane id="Scratches" />
+      <pane id="PackagesPane" />
     </panes>
   </component>
   <component name="PropertiesComponent">
@@ -477,7 +476,8 @@
       <workItem from="1522778659126" duration="455000" />
       <workItem from="1522779789231" duration="6991000" />
       <workItem from="1523202491878" duration="853000" />
-      <workItem from="1523288830673" duration="6206000" />
+      <workItem from="1523288830673" duration="6214000" />
+      <workItem from="1523341635238" duration="10000" />
     </task>
     <task id="LOCAL-00001">
       <created>1500458878821</created>
@@ -696,11 +696,18 @@
       <option name="project" value="LOCAL" />
       <updated>1523294232321</updated>
     </task>
-    <option name="localTasksCounter" value="32" />
+    <task id="LOCAL-00032" summary="数据库缓存更新">
+      <created>1523304665400</created>
+      <option name="number" value="00032" />
+      <option name="presentableId" value="LOCAL-00032" />
+      <option name="project" value="LOCAL" />
+      <updated>1523304665400</updated>
+    </task>
+    <option name="localTasksCounter" value="33" />
     <servers />
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="107729000" />
+    <option name="totallyTimeSpent" value="107747000" />
   </component>
   <component name="TodoView">
     <todo-panel id="selected-file">
@@ -716,24 +723,23 @@
     <editor active="true" />
     <layout>
       <window_info id="TODO" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.32846716" sideWeight="0.5" order="6" side_tool="false" content_ui="tabs" />
-      <window_info id="Messages" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.32911393" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
       <window_info id="Palette&#9;" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
       <window_info id="Image Layers" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
       <window_info id="Capture Analysis" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
       <window_info id="Event Log" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="7" side_tool="true" content_ui="tabs" />
       <window_info id="Maven Projects" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
-      <window_info id="Run" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.328125" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
       <window_info id="Version Control" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.6322917" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
+      <window_info id="Run" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.328125" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
       <window_info id="Terminal" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.32805908" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
       <window_info id="Capture Tool" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
       <window_info id="Designer" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
-      <window_info id="Project" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.22657111" sideWeight="0.5" order="0" side_tool="false" content_ui="combo" />
+      <window_info id="Project" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.22877619" sideWeight="0.5" order="0" side_tool="false" content_ui="combo" />
       <window_info id="Database" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
       <window_info id="Structure" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.24972437" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
       <window_info id="Ant Build" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
       <window_info id="Theme Preview" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
-      <window_info id="Debug" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.3997923" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
       <window_info id="Favorites" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="2" side_tool="true" content_ui="tabs" />
+      <window_info id="Debug" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.3997923" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
       <window_info id="Cvs" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="4" side_tool="false" content_ui="tabs" />
       <window_info id="Message" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="0" side_tool="false" content_ui="tabs" />
       <window_info id="Debug Logs" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
@@ -741,6 +747,7 @@
       <window_info id="Execute Anonymous" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
       <window_info id="Hierarchy" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="2" side_tool="false" content_ui="combo" />
       <window_info id="Salesforce" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
+      <window_info id="Messages" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.32911393" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
       <window_info id="Inspection" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.4" sideWeight="0.5" order="5" side_tool="false" content_ui="tabs" />
       <window_info id="Find" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
     </layout>
@@ -766,6 +773,90 @@
     <watches-manager />
   </component>
   <component name="editorHistoryManager">
+    <entry file="file://$PROJECT_DIR$/example/main.go">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="0">
+          <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
+          <folding>
+            <element signature="e#14#209#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/type.go">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="105">
+          <caret line="7" column="13" lean-forward="false" selection-start-line="7" selection-start-column="5" selection-end-line="7" selection-end-column="13" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/cache/cache_redis.go">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="105">
+          <caret line="12" column="14" lean-forward="false" selection-start-line="12" selection-start-column="14" selection-end-line="12" selection-end-column="14" />
+          <folding>
+            <element signature="e#15#106#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/cache_memory.go">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="225">
+          <caret line="19" column="18" lean-forward="false" selection-start-line="19" selection-start-column="18" selection-end-line="19" selection-end-column="18" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/objtoobj.go">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="705">
+          <caret line="52" column="18" lean-forward="false" selection-start-line="52" selection-start-column="18" selection-end-line="52" selection-end-column="18" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/db.go">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="105">
+          <caret line="7" column="13" lean-forward="false" selection-start-line="7" selection-start-column="13" selection-end-line="7" selection-end-column="13" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/error.go">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="135">
+          <caret line="11" column="17" lean-forward="false" selection-start-line="11" selection-start-column="17" selection-end-line="11" selection-end-column="17" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/obj.go">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="990">
+          <caret line="66" column="24" lean-forward="false" selection-start-line="66" selection-start-column="24" selection-end-line="66" selection-end-column="24" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/cache_db.go">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="1095">
+          <caret line="77" column="51" lean-forward="false" selection-start-line="77" selection-start-column="51" selection-end-line="77" selection-end-column="51" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/func.go">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="0">
+          <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
     <entry file="file://$PROJECT_DIR$/example/main.go">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="0">
@@ -780,7 +871,6 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="165">
           <caret line="11" column="0" lean-forward="false" selection-start-line="11" selection-start-column="0" selection-end-line="11" selection-end-column="0" />
-          <folding />
         </state>
       </provider>
     </entry>
@@ -806,7 +896,6 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="1335">
           <caret line="92" column="15" lean-forward="false" selection-start-line="92" selection-start-column="15" selection-end-line="92" selection-end-column="15" />
-          <folding />
         </state>
       </provider>
     </entry>
@@ -830,7 +919,6 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="210">
           <caret line="14" column="17" lean-forward="false" selection-start-line="14" selection-start-column="17" selection-end-line="14" selection-end-column="17" />
-          <folding />
         </state>
       </provider>
     </entry>
@@ -882,7 +970,6 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="1335">
           <caret line="92" column="15" lean-forward="true" selection-start-line="92" selection-start-column="15" selection-end-line="92" selection-end-column="15" />
-          <folding />
         </state>
       </provider>
     </entry>
@@ -906,7 +993,6 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="225">
           <caret line="15" column="26" lean-forward="true" selection-start-line="15" selection-start-column="26" selection-end-line="15" selection-end-column="26" />
-          <folding />
         </state>
       </provider>
     </entry>
@@ -981,7 +1067,6 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="1335">
           <caret line="92" column="15" lean-forward="false" selection-start-line="92" selection-start-column="15" selection-end-line="92" selection-end-column="15" />
-          <folding />
         </state>
       </provider>
     </entry>
@@ -989,7 +1074,6 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="210">
           <caret line="14" column="17" lean-forward="false" selection-start-line="14" selection-start-column="17" selection-end-line="14" selection-end-column="17" />
-          <folding />
         </state>
       </provider>
     </entry>
@@ -997,7 +1081,6 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="165">
           <caret line="11" column="0" lean-forward="false" selection-start-line="11" selection-start-column="0" selection-end-line="11" selection-end-column="0" />
-          <folding />
         </state>
       </provider>
     </entry>
@@ -1019,7 +1102,7 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/func.go">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="-765">
+        <state relative-caret-position="0">
           <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
           <folding />
         </state>
@@ -1027,7 +1110,7 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/obj.go">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="468">
+        <state relative-caret-position="990">
           <caret line="66" column="24" lean-forward="false" selection-start-line="66" selection-start-column="24" selection-end-line="66" selection-end-column="24" />
           <folding />
         </state>
@@ -1043,7 +1126,7 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/cache/cache_redis.go">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="180">
+        <state relative-caret-position="105">
           <caret line="12" column="14" lean-forward="false" selection-start-line="12" selection-start-column="14" selection-end-line="12" selection-end-column="14" />
           <folding>
             <element signature="e#15#106#0" expanded="true" />
@@ -1061,7 +1144,7 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/objtoobj.go">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="255">
+        <state relative-caret-position="705">
           <caret line="52" column="18" lean-forward="false" selection-start-line="52" selection-start-column="18" selection-end-line="52" selection-end-column="18" />
           <folding />
         </state>
@@ -1069,7 +1152,7 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/cache_db.go">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="281">
+        <state relative-caret-position="1095">
           <caret line="77" column="51" lean-forward="false" selection-start-line="77" selection-start-column="51" selection-end-line="77" selection-end-column="51" />
           <folding />
         </state>
@@ -1085,8 +1168,8 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/example/main.go">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="285">
-          <caret line="55" column="59" lean-forward="true" selection-start-line="55" selection-start-column="59" selection-end-line="55" selection-end-column="59" />
+        <state relative-caret-position="15">
+          <caret line="55" column="59" lean-forward="false" selection-start-line="55" selection-start-column="59" selection-end-line="55" selection-end-column="59" />
           <folding>
             <element signature="e#14#209#0" expanded="true" />
           </folding>
diff --git a/db.go b/db.go
index b139dd1..84c4f85 100644
--- a/db.go
+++ b/db.go
@@ -426,13 +426,18 @@ func (this *HoTimeDB) Select(table string, qu ...interface{}) []Map {
 	query += temp
 	qs = append(qs, resWhere...)
 	md5:=this.md5(query,qs...)
-	//如果缓存有则从缓存取
-	cacheData:=this.Cache(table+":"+md5)
 
-	if cacheData.Data!=nil{
-		return cacheData.ToMapArray()
+	if this.CacheIns!=nil{
+		//如果缓存有则从缓存取
+		cacheData:=this.Cache(table+":"+md5)
+
+		if cacheData.Data!=nil{
+			return cacheData.ToMapArray()
+		}
 	}
 
+
+
 	//无缓存则数据库取
 	res := this.Query(query, qs...)