diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index b3af3a6..c04827d 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -1,7 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ChangeListManager">
-    <list default="true" id="0aedafd8-e57e-462a-beda-65af0b91f3df" name="Default Changelist" comment="" />
+    <list default="true" id="0aedafd8-e57e-462a-beda-65af0b91f3df" name="Default Changelist" comment="">
+      <change beforePath="$PROJECT_DIR$/README.md" beforeDir="false" afterPath="$PROJECT_DIR$/README.md" afterDir="false" />
+    </list>
     <ignored path="$PROJECT_DIR$/out/" />
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
     <option name="SHOW_DIALOG" value="false" />
@@ -19,22 +21,24 @@
       </usages-collector>
       <usages-collector id="statistics.file.extensions.open">
         <counts>
+          <entry key="iml" value="1" />
           <entry key="py" value="2" />
         </counts>
       </usages-collector>
       <usages-collector id="statistics.file.types.open">
         <counts>
+          <entry key="IDEA_MODULE" value="1" />
           <entry key="Python" value="2" />
         </counts>
       </usages-collector>
       <usages-collector id="statistics.file.extensions.edit">
         <counts>
-          <entry key="py" value="159" />
+          <entry key="py" value="161" />
         </counts>
       </usages-collector>
       <usages-collector id="statistics.file.types.edit">
         <counts>
-          <entry key="Python" value="159" />
+          <entry key="Python" value="161" />
         </counts>
       </usages-collector>
     </session>
@@ -44,8 +48,8 @@
       <file pinned="false" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/serve.py">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="431">
-              <caret line="81" column="16" selection-start-line="81" selection-start-column="16" selection-end-line="81" selection-end-column="16" />
+            <state relative-caret-position="206">
+              <caret line="66" column="15" selection-start-line="66" selection-start-column="15" selection-end-line="66" selection-end-column="15" />
               <folding>
                 <element signature="e#0#23#0" expanded="true" />
               </folding>
@@ -53,11 +57,16 @@
           </provider>
         </entry>
       </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/yao-optimizer.iml">
+          <provider selected="true" editor-type-id="text-editor" />
+        </entry>
+      </file>
       <file pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/test.py">
           <provider selected="true" editor-type-id="text-editor">
             <state relative-caret-position="150">
-              <caret line="52" column="30" lean-forward="true" selection-start-line="52" selection-start-column="30" selection-end-line="52" selection-end-column="30" />
+              <caret line="52" column="30" selection-start-line="52" selection-start-column="30" selection-end-line="52" selection-end-column="30" />
               <folding>
                 <element signature="e#0#19#0" expanded="true" />
               </folding>
@@ -125,7 +134,7 @@
   <component name="PropertiesComponent">
     <property name="WebServerToolWindowFactoryState" value="false" />
     <property name="aspect.path.notification.shown" value="true" />
-    <property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1588156437493" />
+    <property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1588156536427" />
     <property name="go.gopath.indexing.explicitly.defined" value="true" />
     <property name="nodejs_interpreter_path.stuck_in_default_project" value="undefined stuck path" />
     <property name="nodejs_npm_path_reset_for_default_project" value="true" />
@@ -156,26 +165,25 @@
       <option name="number" value="Default" />
       <option name="presentableId" value="Default" />
       <updated>1588152877746</updated>
-      <workItem from="1588152880522" duration="2801000" />
+      <workItem from="1588152880522" duration="3067000" />
     </task>
     <servers />
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="2801000" />
+    <option name="totallyTimeSpent" value="3067000" />
   </component>
   <component name="ToolWindowManager">
     <frame x="0" y="23" width="1280" height="704" extended-state="6" />
-    <editor active="true" />
     <layout>
       <window_info id="Designer" order="0" />
       <window_info id="UI Designer" order="1" />
       <window_info id="Capture Tool" order="2" />
       <window_info id="Favorites" order="3" side_tool="true" />
       <window_info id="Image Layers" order="4" />
-      <window_info active="true" content_ui="combo" id="Project" order="5" visible="true" weight="0.24959612" />
+      <window_info content_ui="combo" id="Project" order="5" visible="true" weight="0.24959612" />
       <window_info id="Structure" order="6" side_tool="true" weight="0.25" />
       <window_info anchor="bottom" id="Version Control" order="0" />
-      <window_info anchor="bottom" id="Terminal" order="1" />
+      <window_info active="true" anchor="bottom" id="Terminal" order="1" visible="true" weight="0.32843137" />
       <window_info anchor="bottom" id="Event Log" order="2" side_tool="true" />
       <window_info anchor="bottom" id="Database Changes" order="3" show_stripe_button="false" />
       <window_info anchor="bottom" id="Docker" order="4" show_stripe_button="false" />
@@ -205,10 +213,13 @@
     <option name="myLimit" value="2678400000" />
   </component>
   <component name="editorHistoryManager">
+    <entry file="file://$PROJECT_DIR$/yao-optimizer.iml">
+      <provider selected="true" editor-type-id="text-editor" />
+    </entry>
     <entry file="file://$PROJECT_DIR$/test.py">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="150">
-          <caret line="52" column="30" lean-forward="true" selection-start-line="52" selection-start-column="30" selection-end-line="52" selection-end-column="30" />
+          <caret line="52" column="30" selection-start-line="52" selection-start-column="30" selection-end-line="52" selection-end-column="30" />
           <folding>
             <element signature="e#0#19#0" expanded="true" />
           </folding>
@@ -217,8 +228,8 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/serve.py">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="431">
-          <caret line="81" column="16" selection-start-line="81" selection-start-column="16" selection-end-line="81" selection-end-column="16" />
+        <state relative-caret-position="206">
+          <caret line="66" column="15" selection-start-line="66" selection-start-column="15" selection-end-line="66" selection-end-column="15" />
           <folding>
             <element signature="e#0#23#0" expanded="true" />
           </folding>
diff --git a/main.py b/main.py
index f306b93..1678b7e 100644
--- a/main.py
+++ b/main.py
@@ -123,7 +123,7 @@ class Data:
 		return np.array(test_x)
 
 
-def draw(config: Config, origin_data: Data, predict_norm_data: np.ndarray):
+def draw(config, origin_data, predict_norm_data):
 	label_norm_data = origin_data.norm_data[origin_data.train_num + origin_data.start_num_in_test:,
 	                  config.label_in_feature_columns]
 	assert label_norm_data.shape[0] == predict_norm_data.shape[