diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index f0dfacc..ed7a7d2 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -3,7 +3,6 @@
   <component name="ChangeListManager">
     <list default="true" id="0aedafd8-e57e-462a-beda-65af0b91f3df" name="Default Changelist" comment="">
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/serve.py" beforeDir="false" afterPath="$PROJECT_DIR$/serve.py" afterDir="false" />
     </list>
     <ignored path="$PROJECT_DIR$/out/" />
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
@@ -51,7 +50,7 @@
           <entry key="csv" value="9" />
           <entry key="gitignore" value="12" />
           <entry key="md" value="141" />
-          <entry key="py" value="4187" />
+          <entry key="py" value="4212" />
           <entry key="sh" value="5" />
         </counts>
       </usages-collector>
@@ -61,7 +60,7 @@
           <entry key="Dockerfile" value="81" />
           <entry key="Markdown" value="141" />
           <entry key="PLAIN_TEXT" value="21" />
-          <entry key="Python" value="4187" />
+          <entry key="Python" value="4212" />
         </counts>
       </usages-collector>
     </session>
@@ -92,13 +91,13 @@
       <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="220">
-              <caret line="143" lean-forward="true" selection-start-line="143" selection-end-line="143" />
+            <state relative-caret-position="356">
+              <caret line="177" column="36" lean-forward="true" selection-start-line="177" selection-start-column="36" selection-end-line="177" selection-end-column="36" />
               <folding>
                 <element signature="e#18#46#0" expanded="true" />
-                <marker date="1588415457670" expanded="true" signature="1181:1184" ph="..." />
-                <marker date="1588415457670" expanded="true" signature="3444:3446" ph="..." />
-                <marker date="1588415457670" expanded="true" signature="4697:5429" ph="..." />
+                <marker date="1588415612857" expanded="true" signature="1181:1184" ph="..." />
+                <marker date="1588415612857" expanded="true" signature="3444:3446" ph="..." />
+                <marker date="1588415612857" expanded="true" signature="4511:5243" ph="..." />
               </folding>
             </state>
           </provider>
@@ -248,7 +247,7 @@
   <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="1588415532129" />
+    <property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1588415774610" />
     <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" />
@@ -289,12 +288,12 @@
       <option name="presentableId" value="Default" />
       <updated>1588152877746</updated>
       <workItem from="1588152880522" duration="16973000" />
-      <workItem from="1588319878551" duration="37088000" />
+      <workItem from="1588319878551" duration="37388000" />
     </task>
     <servers />
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="54061000" />
+    <option name="totallyTimeSpent" value="54361000" />
   </component>
   <component name="ToolWindowManager">
     <frame x="0" y="0" width="1280" height="800" extended-state="0" />
@@ -440,13 +439,13 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/serve.py">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="220">
-          <caret line="143" lean-forward="true" selection-start-line="143" selection-end-line="143" />
+        <state relative-caret-position="356">
+          <caret line="177" column="36" lean-forward="true" selection-start-line="177" selection-start-column="36" selection-end-line="177" selection-end-column="36" />
           <folding>
             <element signature="e#18#46#0" expanded="true" />
-            <marker date="1588415457670" expanded="true" signature="1181:1184" ph="..." />
-            <marker date="1588415457670" expanded="true" signature="3444:3446" ph="..." />
-            <marker date="1588415457670" expanded="true" signature="4697:5429" ph="..." />
+            <marker date="1588415612857" expanded="true" signature="1181:1184" ph="..." />
+            <marker date="1588415612857" expanded="true" signature="3444:3446" ph="..." />
+            <marker date="1588415612857" expanded="true" signature="4511:5243" ph="..." />
           </folding>
         </state>
       </provider>
diff --git a/serve.py b/serve.py
index e0d4283..daea59f 100644
--- a/serve.py
+++ b/serve.py
@@ -19,6 +19,7 @@ from keras.layers import LSTM
 from math import sqrt
 import numpy
 import random
+import traceback
 
 PORT_NUMBER = 8080
 lock = Lock()
@@ -216,6 +217,8 @@ class MyHandler(BaseHTTPRequestHandler):
 				if not success:
 					msg = {'code': 2, 'error': "Job " + job + " not exist"}
 			except Exception as e:
+				track = traceback.format_exc()
+				print(track)
 				msg = {'code': 1, 'error': str(e)}
 
 			self.send_response(200)