diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index c3310c0..5a9a65e 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -26,7 +26,7 @@
   <component name="ExecutionTargetManager" SELECTED_TARGET="default_target" />
   <component name="FileEditorManager">
     <leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
-      <file leaf-file-name="const.go" pinned="false" current-in-tab="true">
+      <file leaf-file-name="const.go" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/const.go">
           <provider selected="true" editor-type-id="text-editor">
             <state relative-caret-position="289">
@@ -36,6 +36,19 @@
           </provider>
         </entry>
       </file>
+      <file leaf-file-name="context.go" pinned="false" current-in-tab="true">
+        <entry file="file://$PROJECT_DIR$/context.go">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="425">
+              <caret line="40" column="16" lean-forward="false" selection-start-line="40" selection-start-column="16" selection-end-line="40" selection-end-column="16" />
+              <folding>
+                <element signature="e#16#65#0" expanded="true" />
+                <marker date="1503454050929" expanded="true" signature="715:832" ph="{...}" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
       <file leaf-file-name="error.go" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/error.go">
           <provider selected="true" editor-type-id="text-editor">
@@ -118,18 +131,6 @@
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="var.go" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/var.go">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="306">
-              <caret line="18" column="24" lean-forward="true" selection-start-line="18" selection-start-column="24" selection-end-line="18" selection-end-column="24" />
-              <folding>
-                <marker date="1502936006492" expanded="true" signature="821:829" ph="{...}" />
-              </folding>
-            </state>
-          </provider>
-        </entry>
-      </file>
     </leaf>
   </component>
   <component name="FileTemplateManagerImpl">
@@ -170,13 +171,13 @@
         <option value="$PROJECT_DIR$/base.go" />
         <option value="$PROJECT_DIR$/config/config.json" />
         <option value="$PROJECT_DIR$/example/main.go" />
-        <option value="$PROJECT_DIR$/context.go" />
         <option value="$PROJECT_DIR$/base_context.go" />
         <option value="$PROJECT_DIR$/db.go" />
         <option value="$PROJECT_DIR$/cache_db.go" />
         <option value="$PROJECT_DIR$/cache_memory.go" />
         <option value="$PROJECT_DIR$/obj.go" />
         <option value="$PROJECT_DIR$/session.go" />
+        <option value="$PROJECT_DIR$/context.go" />
       </list>
     </option>
   </component>
@@ -261,6 +262,32 @@
               <option name="myItemType" value="com.jetbrains.php.projectView.PhpTreeStructureProvider$1" />
             </PATH_ELEMENT>
           </PATH>
+          <PATH>
+            <PATH_ELEMENT>
+              <option name="myItemId" value="hotime" />
+              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.ProjectViewProjectNode" />
+            </PATH_ELEMENT>
+            <PATH_ELEMENT>
+              <option name="myItemId" value="External Libraries" />
+              <option name="myItemType" value="com.jetbrains.php.config.library.PhpExternalLibrariesNodePatcher$PatchedExternalLibrariesNode" />
+            </PATH_ELEMENT>
+            <PATH_ELEMENT>
+              <option name="myItemId" value="GOPATH &lt;hotime&gt;" />
+              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.NamedLibraryElementNode" />
+            </PATH_ELEMENT>
+            <PATH_ELEMENT>
+              <option name="myItemId" value="go.hoteas.com" />
+              <option name="myItemType" value="com.jetbrains.php.projectView.PhpTreeStructureProvider$1" />
+            </PATH_ELEMENT>
+            <PATH_ELEMENT>
+              <option name="myItemId" value="hotime" />
+              <option name="myItemType" value="com.jetbrains.php.projectView.PhpTreeStructureProvider$1" />
+            </PATH_ELEMENT>
+            <PATH_ELEMENT>
+              <option name="myItemId" value="example" />
+              <option name="myItemType" value="com.jetbrains.php.projectView.PhpTreeStructureProvider$1" />
+            </PATH_ELEMENT>
+          </PATH>
           <PATH>
             <PATH_ELEMENT>
               <option name="myItemId" value="hotime" />
@@ -530,7 +557,7 @@
       <workItem from="1502760226287" duration="153000" />
       <workItem from="1502935911308" duration="1724000" />
       <workItem from="1503366689326" duration="2378000" />
-      <workItem from="1503451223794" duration="2730000" />
+      <workItem from="1503451223794" duration="2825000" />
     </task>
     <task id="LOCAL-00001">
       <created>1500458878821</created>
@@ -641,7 +668,7 @@
     <servers />
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="60987000" />
+    <option name="totallyTimeSpent" value="61082000" />
   </component>
   <component name="TodoView">
     <todo-panel id="selected-file">
@@ -654,8 +681,9 @@
   </component>
   <component name="ToolWindowManager">
     <frame x="55" y="-8" width="1873" height="1096" extended-state="6" />
+    <editor active="true" />
     <layout>
-      <window_info id="Project" active="true" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.30777717" 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="0.30777717" sideWeight="0.5" order="0" side_tool="false" content_ui="combo" />
       <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="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="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" />
@@ -951,17 +979,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/context.go">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="153">
-          <caret line="9" column="15" lean-forward="false" selection-start-line="9" selection-start-column="15" selection-end-line="9" selection-end-column="15" />
-          <folding>
-            <element signature="e#16#65#0" expanded="true" />
-            <marker date="1503453848297" expanded="true" signature="715:840" ph="{...}" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/example/main.go">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="459">
@@ -1090,5 +1107,16 @@
         </state>
       </provider>
     </entry>
+    <entry file="file://$PROJECT_DIR$/context.go">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="425">
+          <caret line="40" column="16" lean-forward="false" selection-start-line="40" selection-start-column="16" selection-end-line="40" selection-end-column="16" />
+          <folding>
+            <element signature="e#16#65#0" expanded="true" />
+            <marker date="1503454050929" expanded="true" signature="715:832" ph="{...}" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
   </component>
 </project>
\ No newline at end of file
diff --git a/context.go b/context.go
index a72cd24..c518111 100644
--- a/context.go
+++ b/context.go
@@ -38,7 +38,7 @@ func (this *Context) Display(statu int, data interface{}) {
 
 		tpe := this.Config.GetMap("error").GetString(ObjToStr(statu))
 		if tpe == "" {
-			this.LastErr.SetError(errors.New("找不到对应的错误码"))
+			this.SetError(errors.New("找不到对应的错误码"))
 		}
 
 		temp["type"] = tpe