diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 8f5cea4..a76bd50 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -1,11 +1,7 @@
 <?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="">
-      <change beforePath="$PROJECT_DIR$/compare.sh" beforeDir="false" afterPath="$PROJECT_DIR$/compare.sh" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/rf.py" beforeDir="false" afterPath="$PROJECT_DIR$/rf.py" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/serve.py" beforeDir="false" afterPath="$PROJECT_DIR$/serve.py" afterDir="false" />
-    </list>
+    <list default="true" id="0aedafd8-e57e-462a-beda-65af0b91f3df" name="Default Changelist" comment="" />
     <ignored path="$PROJECT_DIR$/out/" />
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
     <option name="SHOW_DIALOG" value="false" />
@@ -96,8 +92,8 @@
       <file pinned="false" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/rf.py">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="3495">
-              <caret line="233" column="15" lean-forward="true" selection-start-line="233" selection-start-column="15" selection-end-line="233" selection-end-column="15" />
+            <state relative-caret-position="210">
+              <caret line="14" lean-forward="true" selection-start-line="14" selection-end-line="14" />
               <folding>
                 <element signature="e#21#39#0" expanded="true" />
                 <marker date="1593568816783" expanded="true" signature="1440:1442" ph="..." />
@@ -205,7 +201,7 @@
   <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="1593571328554" />
+    <property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1593574536110" />
     <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" />
@@ -250,25 +246,26 @@
       <workItem from="1588319878551" duration="41219000" />
       <workItem from="1588426002721" duration="336000" />
       <workItem from="1588427782140" duration="326000" />
-      <workItem from="1592809729651" duration="25279000" />
+      <workItem from="1592809729651" duration="26246000" />
     </task>
     <servers />
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="84133000" />
+    <option name="totallyTimeSpent" value="85100000" />
   </component>
   <component name="ToolWindowManager">
     <frame x="0" y="0" width="1280" height="800" extended-state="0" />
+    <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" sideWeight="0.49898168" visible="true" weight="0.2657512" />
+      <window_info content_ui="combo" id="Project" order="5" sideWeight="0.49898168" visible="true" weight="0.2657512" />
       <window_info id="Structure" order="6" sideWeight="0.50101835" side_tool="true" weight="0.24959612" />
       <window_info anchor="bottom" id="Version Control" order="0" />
-      <window_info anchor="bottom" id="Terminal" order="1" visible="true" weight="0.32739726" />
+      <window_info active="true" anchor="bottom" id="Terminal" order="1" visible="true" weight="0.32739726" />
       <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" />
@@ -435,8 +432,8 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/rf.py">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="3495">
-          <caret line="233" column="15" lean-forward="true" selection-start-line="233" selection-start-column="15" selection-end-line="233" selection-end-column="15" />
+        <state relative-caret-position="210">
+          <caret line="14" lean-forward="true" selection-start-line="14" selection-end-line="14" />
           <folding>
             <element signature="e#21#39#0" expanded="true" />
             <marker date="1593568816783" expanded="true" signature="1440:1442" ph="..." />
diff --git a/serve.py b/serve.py
index 54e8b72..a6f408e 100644
--- a/serve.py
+++ b/serve.py
@@ -34,35 +34,38 @@ def train_models(job):
 	if job not in models or 'features' not in models[job]:
 		return
 	models[job]['lock'].acquire()
+	try:
+		for label in models[job]['labels']:
+			trainfile = './data/' + job + '_' + label + '.csv'
+			traindata = pd.read_csv(trainfile)
+			feature_data = traindata.iloc[:, 1:-1]
+			label_data = traindata.iloc[:, -1]
 
-	for label in models[job]['labels']:
-		trainfile = './data/' + job + '_' + label + '.csv'
-		traindata = pd.read_csv(trainfile)
-		feature_data = traindata.iloc[:, 1:-1]
-		label_data = traindata.iloc[:, -1]
+			X_train, X_test, y_train, y_test = train_test_split(feature_data, label_data, test_size=0.01)
+			params = {
+				'n_estimators': 70,
+				'max_depth': 13,
+				'min_samples_split': 10,
+				'min_samples_leaf': 5,  # 10
+				'max_features': len(models[job]['features']) - 1  # 7
+			}
+			# print(params)
+			model = RandomForestRegressor(**params)
+			model.fit(X_train, y_train)
 
-		X_train, X_test, y_train, y_test = train_test_split(feature_data, label_data, test_size=0.01)
-		params = {
-			'n_estimators': 70,
-			'max_depth': 13,
-			'min_samples_split': 10,
-			'min_samples_leaf': 5,  # 10
-			'max_features': len(models[job]['features']) - 1  # 7
-		}
-		# print(params)
-		model = RandomForestRegressor(**params)
-		model.fit(X_train, y_train)
+			# save the model to disk
+			modelname = './data/' + job + '_' + label + '.sav'
+			pickle.dump(model, open(modelname, 'wb'))
 
-		# save the model to disk
-		modelname = './data/' + job + '_' + label + '.sav'
-		pickle.dump(model, open(modelname, 'wb'))
-
-		# 对测试集进行预测
-		y_pred = model.predict(X_test)
-		# 计算准确率
-		MSE = mean_squared_error(y_test, y_pred)
-		RMSE = np.sqrt(MSE)
-		print('RMSE of {}:{} is {}'.format(job, label, str(RMSE)))
+			# 对测试集进行预测
+			y_pred = model.predict(X_test)
+			# 计算准确率
+			MSE = mean_squared_error(y_test, y_pred)
+			RMSE = np.sqrt(MSE)
+			print('RMSE of {}:{} is {}'.format(job, label, str(RMSE)))
+	except Exception as e:
+		print(traceback.format_exc())
+		print(str(e))
 
 	models[job]['lock'].release()