diff --git a/Lab4/.idea/Lab4.iml b/Lab4/.idea/Lab4.iml
new file mode 100644
index 0000000..30401b1
--- /dev/null
+++ b/Lab4/.idea/Lab4.iml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+  <component name="TemplatesService">
+    <option name="TEMPLATE_FOLDERS">
+      <list>
+        <option value="$MODULE_DIR$/__MACOSX/Lab1Template 11/templates" />
+      </list>
+    </option>
+  </component>
+  <component name="TestRunnerService">
+    <option name="projectConfiguration" value="pytest" />
+    <option name="PROJECT_TEST_RUNNER" value="pytest" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/Lab4/.idea/misc.xml b/Lab4/.idea/misc.xml
new file mode 100644
index 0000000..8656114
--- /dev/null
+++ b/Lab4/.idea/misc.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="JavaScriptSettings">
+    <option name="languageLevel" value="ES6" />
+  </component>
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.7" project-jdk-type="Python SDK" />
+</project>
\ No newline at end of file
diff --git a/Lab4/.idea/modules.xml b/Lab4/.idea/modules.xml
new file mode 100644
index 0000000..0c0d001
--- /dev/null
+++ b/Lab4/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/Lab4.iml" filepath="$PROJECT_DIR$/.idea/Lab4.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/Lab4/.idea/vcs.xml b/Lab4/.idea/vcs.xml
new file mode 100644
index 0000000..6c0b863
--- /dev/null
+++ b/Lab4/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/python+flask实现全国+全球疫情数据可视化/项目源码/epidemic/.idea/workspace.xml b/python+flask实现全国+全球疫情数据可视化/项目源码/epidemic/.idea/workspace.xml
index b2bee87..4bc4f13 100644
--- a/python+flask实现全国+全球疫情数据可视化/项目源码/epidemic/.idea/workspace.xml
+++ b/python+flask实现全国+全球疫情数据可视化/项目源码/epidemic/.idea/workspace.xml
@@ -1,7 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ChangeListManager">
-    <list default="true" id="3d982c30-c65f-4d45-9ba5-de40e591e94b" name="Default Changelist" comment="" />
+    <list default="true" id="3d982c30-c65f-4d45-9ba5-de40e591e94b" name="Default Changelist" comment="">
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+    </list>
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -15,38 +17,26 @@
           <file pinned="false" current-in-tab="false">
             <entry file="file://$PROJECT_DIR$/templates/main.html">
               <provider selected="true" editor-type-id="text-editor">
-                <state relative-caret-position="266">
+                <state relative-caret-position="342">
                   <caret line="18" column="36" selection-end-line="38" selection-end-column="7" />
                 </state>
               </provider>
             </entry>
           </file>
-          <file pinned="false" current-in-tab="false">
-            <entry file="file://$PROJECT_DIR$/utils.py">
-              <provider selected="true" editor-type-id="text-editor">
-                <state relative-caret-position="214">
-                  <caret line="44" column="21" lean-forward="true" selection-end-line="132" />
-                  <folding>
-                    <element signature="e#0#14#0" expanded="true" />
-                  </folding>
-                </state>
-              </provider>
-            </entry>
-          </file>
           <file pinned="false" current-in-tab="false">
             <entry file="file://$PROJECT_DIR$/static/css/main.css">
               <provider selected="true" editor-type-id="text-editor">
-                <state relative-caret-position="191">
-                  <caret line="26" lean-forward="true" selection-end-line="96" selection-end-column="1" />
+                <state relative-caret-position="494">
+                  <caret line="26" selection-end-line="96" selection-end-column="1" />
                 </state>
               </provider>
             </entry>
           </file>
-          <file pinned="false" current-in-tab="true">
+          <file pinned="false" current-in-tab="false">
             <entry file="file://$PROJECT_DIR$/static/js/controller.js">
               <provider selected="true" editor-type-id="text-editor">
-                <state relative-caret-position="171">
-                  <caret line="100" lean-forward="true" selection-end-line="116" selection-end-column="25" />
+                <state relative-caret-position="1862">
+                  <caret line="98" column="46" selection-start-line="98" selection-start-column="46" selection-end-line="98" selection-end-column="46" />
                 </state>
               </provider>
             </entry>
@@ -56,32 +46,11 @@
               <provider selected="true" editor-type-id="text-editor" />
             </entry>
           </file>
-          <file pinned="false" current-in-tab="false">
-            <entry file="file://$APPLICATION_HOME_DIR$/helpers/pydev/_pydev_imps/_pydev_execfile.py">
-              <provider selected="true" editor-type-id="text-editor">
-                <state relative-caret-position="247">
-                  <caret line="17" selection-start-line="17" selection-end-line="17" />
-                </state>
-              </provider>
-            </entry>
-          </file>
-          <file pinned="false" current-in-tab="false">
-            <entry file="file://$PROJECT_DIR$/static/js/ec_c2.js">
-              <provider selected="true" editor-type-id="text-editor">
-                <state relative-caret-position="174">
-                  <caret line="13" column="24" lean-forward="true" selection-end-line="64" selection-end-column="37" />
-                  <folding>
-                    <element signature="e#912#1711#0" />
-                  </folding>
-                </state>
-              </provider>
-            </entry>
-          </file>
           <file pinned="false" current-in-tab="false">
             <entry file="file://$PROJECT_DIR$/static/js/ec_r1.js">
               <provider selected="true" editor-type-id="text-editor">
                 <state relative-caret-position="152">
-                  <caret line="8" column="25" lean-forward="true" selection-end-line="23" selection-end-column="37" />
+                  <caret line="8" column="25" selection-end-line="23" selection-end-column="37" />
                 </state>
               </provider>
             </entry>
@@ -90,16 +59,19 @@
             <entry file="file://$PROJECT_DIR$/static/js/ec_l2.js">
               <provider selected="true" editor-type-id="text-editor">
                 <state relative-caret-position="190">
-                  <caret line="10" column="14" lean-forward="true" selection-start-line="10" selection-start-column="14" selection-end-line="10" selection-end-column="14" />
+                  <caret line="10" column="14" selection-start-line="10" selection-start-column="14" selection-end-line="10" selection-end-column="14" />
                 </state>
               </provider>
             </entry>
           </file>
-          <file pinned="false" current-in-tab="false">
-            <entry file="file://$PROJECT_DIR$/static/js/ec_l1.js">
+          <file pinned="false" current-in-tab="true">
+            <entry file="file://$PROJECT_DIR$/app.py">
               <provider selected="true" editor-type-id="text-editor">
-                <state relative-caret-position="228">
-                  <caret line="12" column="23" lean-forward="true" selection-end-line="60" selection-end-column="35" />
+                <state relative-caret-position="209">
+                  <caret line="11" column="30" selection-start-line="11" selection-start-column="30" selection-end-line="11" selection-end-column="30" />
+                  <folding>
+                    <element signature="e#0#23#0" expanded="true" />
+                  </folding>
                 </state>
               </provider>
             </entry>
@@ -108,22 +80,10 @@
       </split-first>
       <split-second>
         <leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
-          <file pinned="false" current-in-tab="true">
-            <entry file="file://$PROJECT_DIR$/app.py">
-              <provider selected="true" editor-type-id="text-editor">
-                <state relative-caret-position="114">
-                  <caret line="6" lean-forward="true" selection-end-line="80" />
-                  <folding>
-                    <element signature="e#0#23#0" expanded="true" />
-                  </folding>
-                </state>
-              </provider>
-            </entry>
-          </file>
           <file pinned="false" current-in-tab="false">
             <entry file="file://$PROJECT_DIR$/static/js/echarts-all-3.js">
               <provider selected="true" editor-type-id="text-editor">
-                <state>
+                <state relative-caret-position="12274">
                   <caret column="646834" selection-start-column="646834" selection-end-column="646834" />
                 </state>
               </provider>
@@ -132,29 +92,17 @@
           <file pinned="false" current-in-tab="false">
             <entry file="file://$PROJECT_DIR$/static/js/ec_r2.js">
               <provider selected="true" editor-type-id="text-editor">
-                <state relative-caret-position="209">
-                  <caret line="41" lean-forward="true" selection-end-line="56" selection-end-column="37" />
+                <state relative-caret-position="779">
+                  <caret line="41" selection-end-line="56" selection-end-column="37" />
                 </state>
               </provider>
             </entry>
           </file>
-          <file pinned="false" current-in-tab="false">
+          <file pinned="false" current-in-tab="true">
             <entry file="file://$PROJECT_DIR$/spider.py">
               <provider selected="true" editor-type-id="text-editor">
-                <state relative-caret-position="361">
-                  <caret line="43" column="12" selection-start-line="43" selection-start-column="12" selection-end-line="43" selection-end-column="12" />
-                  <folding>
-                    <element signature="e#0#15#0" expanded="true" />
-                  </folding>
-                </state>
-              </provider>
-            </entry>
-          </file>
-          <file pinned="false" current-in-tab="false">
-            <entry file="file://E:/anaconda3/Lib/socketserver.py">
-              <provider selected="true" editor-type-id="text-editor">
-                <state relative-caret-position="201">
-                  <caret line="642" selection-start-line="642" selection-end-line="642" />
+                <state>
+                  <caret column="15" selection-start-column="15" selection-end-column="15" />
                 </state>
               </provider>
             </entry>
@@ -162,7 +110,7 @@
           <file pinned="false" current-in-tab="false">
             <entry file="file://E:/anaconda3/Lib/threading.py">
               <provider selected="true" editor-type-id="text-editor">
-                <state relative-caret-position="133">
+                <state relative-caret-position="16283">
                   <caret line="863" selection-start-line="863" selection-end-line="863" />
                 </state>
               </provider>
@@ -171,7 +119,7 @@
           <file pinned="false" current-in-tab="false">
             <entry file="file://E:/anaconda3/Lib/http/server.py">
               <provider selected="true" editor-type-id="text-editor">
-                <state relative-caret-position="152">
+                <state relative-caret-position="7619">
                   <caret line="418" selection-start-line="418" selection-end-line="418" />
                 </state>
               </provider>
@@ -180,8 +128,8 @@
           <file pinned="false" current-in-tab="false">
             <entry file="file://$PROJECT_DIR$/templates/main.html">
               <provider selected="true" editor-type-id="text-editor">
-                <state relative-caret-position="391">
-                  <caret line="36" column="49" lean-forward="true" selection-start-line="36" selection-start-column="49" selection-end-line="36" selection-end-column="49" />
+                <state relative-caret-position="684">
+                  <caret line="36" column="49" selection-start-line="36" selection-start-column="49" selection-end-line="36" selection-end-column="49" />
                 </state>
               </provider>
             </entry>
@@ -207,6 +155,9 @@
       <find>time</find>
     </findStrings>
   </component>
+  <component name="Git.Settings">
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$/../../.." />
+  </component>
   <component name="IdeDocumentHistory">
     <option name="CHANGED_PATHS">
       <list>
@@ -230,25 +181,59 @@
       </list>
     </option>
   </component>
-  <component name="ProjectFrameBounds" extendedState="7">
+  <component name="ProjectFrameBounds" extendedState="6">
     <option name="x" value="950" />
     <option name="y" value="-10" />
-    <option name="width" value="979" />
-    <option name="height" value="1049" />
+    <option name="width" value="980" />
+    <option name="height" value="1050" />
   </component>
+  <component name="ProjectLevelVcsManager" settingsEditedManually="true" />
   <component name="ProjectView">
     <navigator proportions="" version="1">
       <foldersAlwaysOnTop value="true" />
     </navigator>
     <panes>
-      <pane id="ProjectPane" />
       <pane id="Scope" />
+      <pane id="ProjectPane">
+        <subPane>
+          <expand>
+            <path>
+              <item name="epidemic" type="b2602c69:ProjectViewProjectNode" />
+              <item name="epidemic" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="epidemic" type="b2602c69:ProjectViewProjectNode" />
+              <item name="epidemic" type="462c0819:PsiDirectoryNode" />
+              <item name="static" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="epidemic" type="b2602c69:ProjectViewProjectNode" />
+              <item name="epidemic" type="462c0819:PsiDirectoryNode" />
+              <item name="static" type="462c0819:PsiDirectoryNode" />
+              <item name="css" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="epidemic" type="b2602c69:ProjectViewProjectNode" />
+              <item name="epidemic" type="462c0819:PsiDirectoryNode" />
+              <item name="static" type="462c0819:PsiDirectoryNode" />
+              <item name="js" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="epidemic" type="b2602c69:ProjectViewProjectNode" />
+              <item name="epidemic" type="462c0819:PsiDirectoryNode" />
+              <item name="templates" type="462c0819:PsiDirectoryNode" />
+            </path>
+          </expand>
+          <select />
+        </subPane>
+      </pane>
     </panes>
   </component>
   <component name="PropertiesComponent">
     <property name="DefaultHtmlFileTemplate" value="HTML File" />
+    <property name="SHARE_PROJECT_CONFIGURATION_FILES" value="true" />
     <property name="WebServerToolWindowFactoryState" value="false" />
-    <property name="last_opened_file_path" value="$PROJECT_DIR$/static/js" />
+    <property name="last_opened_file_path" value="$PROJECT_DIR$/../../../../Django_study" />
     <property name="list.type.of.created.stylesheet" value="CSS" />
     <property name="node.js.detected.package.eslint" value="true" />
     <property name="node.js.detected.package.tslint" value="true" />
@@ -361,16 +346,18 @@
       <workItem from="1593074494973" duration="3815000" />
       <workItem from="1593153921148" duration="19822000" />
       <workItem from="1593231482033" duration="32162000" />
+      <workItem from="1595854057238" duration="653000" />
+      <workItem from="1596094275864" duration="179000" />
     </task>
     <servers />
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="65008000" />
+    <option name="totallyTimeSpent" value="65840000" />
   </component>
   <component name="ToolWindowManager">
-    <frame x="-7" y="-7" width="1550" height="838" extended-state="7" />
+    <frame x="-7" y="-7" width="1550" height="838" extended-state="6" />
     <layout>
-      <window_info active="true" content_ui="combo" id="Project" order="0" visible="true" weight="0.19369973" />
+      <window_info active="true" content_ui="combo" id="Project" order="0" visible="true" weight="0.18230563" />
       <window_info id="Structure" order="1" side_tool="true" weight="0.25" />
       <window_info id="Favorites" order="2" side_tool="true" />
       <window_info anchor="bottom" id="Message" order="0" />
@@ -443,13 +430,7 @@
       <provider selected="true" editor-type-id="text-editor" />
     </entry>
     <entry file="file://$PROJECT_DIR$/tesss.html" />
-    <entry file="file://$PROJECT_DIR$/templates/index.html">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="418">
-          <caret line="22" column="34" selection-start-line="22" selection-start-column="34" selection-end-line="22" selection-end-column="34" />
-        </state>
-      </provider>
-    </entry>
+    <entry file="file://$PROJECT_DIR$/templates/index.html" />
     <entry file="file://$PROJECT_DIR$/static/js/jquery.min.js">
       <provider selected="true" editor-type-id="text-editor" />
     </entry>
@@ -472,37 +453,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://E:/anaconda3/Lib/http/server.py">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="152">
-          <caret line="418" selection-start-line="418" selection-end-line="418" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://E:/anaconda3/Lib/threading.py">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="133">
-          <caret line="863" selection-start-line="863" selection-end-line="863" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/spider.py">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="361">
-          <caret line="43" column="12" selection-start-line="43" selection-start-column="12" selection-end-line="43" selection-end-column="12" />
-          <folding>
-            <element signature="e#0#15#0" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://E:/anaconda3/Lib/socketserver.py">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="201">
-          <caret line="642" selection-start-line="642" selection-end-line="642" />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$APPLICATION_HOME_DIR$/helpers/pydev/pydevd.py">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="252">
@@ -510,13 +460,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$APPLICATION_HOME_DIR$/helpers/pydev/_pydev_imps/_pydev_execfile.py">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="247">
-          <caret line="17" selection-start-line="17" selection-end-line="17" />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://E:/anaconda3/Lib/site-packages/werkzeug/serving.py">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="133">
@@ -534,99 +477,128 @@
     <entry file="file://$PROJECT_DIR$/static/js/echarts-wordcloud.min.js">
       <provider selected="true" editor-type-id="text-editor" />
     </entry>
-    <entry file="file://$PROJECT_DIR$/static/js/world.js">
-      <provider selected="true" editor-type-id="text-editor" />
-    </entry>
-    <entry file="file://$PROJECT_DIR$/static/js/echarts-all-3.js">
-      <provider selected="true" editor-type-id="text-editor">
-        <state>
-          <caret column="646834" selection-start-column="646834" selection-end-column="646834" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/templates/main.html">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="266">
-          <caret line="18" column="36" selection-end-line="38" selection-end-column="7" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/static/css/main.css">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="191">
-          <caret line="26" lean-forward="true" selection-end-line="96" selection-end-column="1" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/static/js/ec_l1.js">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="228">
-          <caret line="12" column="23" lean-forward="true" selection-end-line="60" selection-end-column="35" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/static/js/ec_c2.js">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="174">
-          <caret line="13" column="24" lean-forward="true" selection-end-line="64" selection-end-column="37" />
-          <folding>
-            <element signature="e#912#1711#0" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/static/js/ec_r1.js">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="152">
-          <caret line="8" column="25" lean-forward="true" selection-end-line="23" selection-end-column="37" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/templates/c2Center.html">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="304">
-          <caret line="16" column="7" lean-forward="true" selection-start-line="16" selection-start-column="7" selection-end-line="16" selection-end-column="7" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/static/js/ec_l2.js">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="190">
-          <caret line="10" column="14" lean-forward="true" selection-start-line="10" selection-start-column="14" selection-end-line="10" selection-end-column="14" />
-        </state>
-      </provider>
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