diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 6271339..9f6dfe2 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -3,9 +3,15 @@
   <component name="ChangeListManager">
     <list default="true" id="b3758b21-9eee-47d2-a8ab-6b0bba3b1e51" name="Default" comment="更新">
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" afterPath="$PROJECT_DIR$/.idea/workspace.xml" />
+      <change beforePath="$PROJECT_DIR$/Helper/cuttxt.php" afterPath="$PROJECT_DIR$/Helper/cuttxt.php" />
       <change beforePath="$PROJECT_DIR$/README.md" afterPath="$PROJECT_DIR$/README.md" />
-      <change beforePath="$PROJECT_DIR$/output.php" afterPath="" />
-      <change beforePath="$PROJECT_DIR$/static_test.php" afterPath="$PROJECT_DIR$/laboratory/static_test.php" />
+      <change beforePath="$PROJECT_DIR$/Useredis.php" afterPath="$PROJECT_DIR$/Cache/Redis.php" />
+      <change beforePath="$PROJECT_DIR$/all_group.php" afterPath="$PROJECT_DIR$/suanfa/all_group.php" />
+      <change beforePath="$PROJECT_DIR$/getVideoTxt.php" afterPath="$PROJECT_DIR$/getVideoTxt.php" />
+      <change beforePath="$PROJECT_DIR$/strpad.php" afterPath="" />
+      <change beforePath="$PROJECT_DIR$/subday.php" afterPath="" />
+      <change beforePath="$PROJECT_DIR$/test.js" afterPath="" />
+      <change beforePath="$PROJECT_DIR$/test.php" afterPath="$PROJECT_DIR$/test.php" />
     </list>
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
     <option name="TRACKING_ENABLED" value="true" />
@@ -31,12 +37,34 @@
   </component>
   <component name="FileEditorManager">
     <leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
+      <file leaf-file-name="test.php" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/test.php">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="150">
+              <caret line="10" column="0" lean-forward="false" selection-start-line="10" selection-start-column="0" selection-end-line="10" selection-end-column="0" />
+              <folding>
+                <element signature="e#6#91#0#PHP" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="getVideoTxt.php" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/getVideoTxt.php">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="255">
+              <caret line="22" column="19" lean-forward="true" selection-start-line="22" selection-start-column="19" selection-end-line="22" selection-end-column="19" />
+              <folding />
+            </state>
+          </provider>
+        </entry>
+      </file>
       <file leaf-file-name="README.md" pinned="false" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/README.md">
           <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
             <state split_layout="SPLIT">
-              <first_editor relative-caret-position="360">
-                <caret line="28" column="64" lean-forward="false" selection-start-line="28" selection-start-column="64" selection-end-line="28" selection-end-column="64" />
+              <first_editor relative-caret-position="180">
+                <caret line="12" column="40" lean-forward="false" selection-start-line="12" selection-start-column="40" selection-end-line="12" selection-end-column="40" />
                 <folding />
               </first_editor>
               <second_editor />
@@ -44,16 +72,6 @@
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="max_array.php" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/suanfa/max_array.php">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="60">
-              <caret line="9" column="0" lean-forward="false" selection-start-line="9" selection-start-column="0" selection-end-line="15" selection-end-column="6" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
       <file leaf-file-name="find_in_array.php" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/find_in_array.php">
           <provider selected="true" editor-type-id="text-editor">
@@ -66,21 +84,33 @@
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="static_test.php" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/laboratory/static_test.php">
+      <file leaf-file-name="php7_1.php" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/laboratory/php7_1.php">
           <provider selected="true" editor-type-id="text-editor">
             <state relative-caret-position="30">
-              <caret line="2" column="24" lean-forward="true" selection-start-line="2" selection-start-column="3" selection-end-line="2" selection-end-column="24" />
+              <caret line="2" column="24" lean-forward="false" selection-start-line="2" selection-start-column="3" selection-end-line="2" selection-end-column="24" />
               <folding />
             </state>
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="getUrlExtensionName.php" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/laboratory/getUrlExtensionName.php">
+      <file leaf-file-name="cuttxt.php" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/Helper/cuttxt.php">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="1185">
+              <caret line="79" column="34" lean-forward="false" selection-start-line="79" selection-start-column="34" selection-end-line="79" selection-end-column="34" />
+              <folding>
+                <element signature="e#6#83#0#PHP" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="all_group.php" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/suanfa/all_group.php">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="320">
-              <caret line="22" column="18" lean-forward="true" selection-start-line="22" selection-start-column="18" selection-end-line="22" selection-end-column="18" />
+            <state relative-caret-position="128">
+              <caret line="43" column="55" lean-forward="true" selection-start-line="43" selection-start-column="55" selection-end-line="43" selection-end-column="55" />
               <folding>
                 <element signature="e#6#90#0#PHP" expanded="true" />
               </folding>
@@ -88,6 +118,36 @@
           </provider>
         </entry>
       </file>
+      <file leaf-file-name="test.txt" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/test.txt">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="225">
+              <caret line="15" column="1" lean-forward="false" selection-start-line="15" selection-start-column="1" selection-end-line="15" selection-end-column="1" />
+              <folding />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="tindex.php" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/tindex.php">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="0">
+              <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
+              <folding />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="Redis.php" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/Cache/Redis.php">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="0">
+              <caret line="0" column="5" lean-forward="true" selection-start-line="0" selection-start-column="5" selection-end-line="0" selection-end-column="5" />
+              <folding />
+            </state>
+          </provider>
+        </entry>
+      </file>
     </leaf>
   </component>
   <component name="FileTemplateManagerImpl">
@@ -110,16 +170,12 @@
   <component name="IdeDocumentHistory">
     <option name="CHANGED_PATHS">
       <list>
-        <option value="$PROJECT_DIR$/codehero2/kill_redis.php" />
-        <option value="$PROJECT_DIR$/suanfa/str.php" />
-        <option value="$PROJECT_DIR$/Test/index.php" />
         <option value="$PROJECT_DIR$/Helper/AES.php" />
         <option value="$PROJECT_DIR$/Helper/CommonHelper.php" />
         <option value="$PROJECT_DIR$/Test/Email.php" />
         <option value="$PROJECT_DIR$/Helper/Email.php" />
         <option value="$PROJECT_DIR$/suanfa/Tool.php" />
         <option value="$PROJECT_DIR$/Test/EmailTest.php" />
-        <option value="$PROJECT_DIR$/strpad.php" />
         <option value="$PROJECT_DIR$/Test/suafanTest.php" />
         <option value="$PROJECT_DIR$/Test/RedisTest.php" />
         <option value="$PROJECT_DIR$/Array_tools.php" />
@@ -130,7 +186,6 @@
         <option value="$PROJECT_DIR$/Useredis.php" />
         <option value="$PROJECT_DIR$/cli/pachong.php" />
         <option value="$PROJECT_DIR$/phpinfo.php" />
-        <option value="$PROJECT_DIR$/test.js" />
         <option value="$PROJECT_DIR$/index.html" />
         <option value="$PROJECT_DIR$/xss.html" />
         <option value="$PROJECT_DIR$/codehero3/makeData.php" />
@@ -151,8 +206,6 @@
         <option value="$PROJECT_DIR$/Helper/fordir.php" />
         <option value="$PROJECT_DIR$/Helper/mkdirs.php" />
         <option value="$PROJECT_DIR$/test.txt" />
-        <option value="$PROJECT_DIR$/test.php" />
-        <option value="$PROJECT_DIR$/Helper/cuttxt.php" />
         <option value="$PROJECT_DIR$/Services/services.php" />
         <option value="$PROJECT_DIR$/Services/client.php" />
         <option value="$PROJECT_DIR$/.gitignore" />
@@ -160,6 +213,13 @@
         <option value="$PROJECT_DIR$/getUrlExtensionName.php" />
         <option value="$PROJECT_DIR$/laboratory/getUrlExtensionName.php" />
         <option value="$PROJECT_DIR$/static_test.php" />
+        <option value="$PROJECT_DIR$/strpad.php" />
+        <option value="$PROJECT_DIR$/Redis.php" />
+        <option value="$PROJECT_DIR$/Helper/cuttxt.php" />
+        <option value="$PROJECT_DIR$/test.php" />
+        <option value="$PROJECT_DIR$/test.js" />
+        <option value="$PROJECT_DIR$/getVideoTxt.php" />
+        <option value="$PROJECT_DIR$/all_group.php" />
         <option value="$PROJECT_DIR$/README.md" />
       </list>
     </option>
@@ -177,7 +237,7 @@
       <path value="$PROJECT_DIR$/vendor/swoole/ide-helper" />
     </include_path>
   </component>
-  <component name="ProjectFrameBounds" extendedState="6" fullScreen="true">
+  <component name="ProjectFrameBounds" fullScreen="true">
     <option name="width" value="714" />
     <option name="height" value="900" />
   </component>
@@ -226,7 +286,12 @@
             <path>
               <item name="interview" type="b2602c69:ProjectViewProjectNode" />
               <item name="interview" type="2a2b976b:PhpTreeStructureProvider$1" />
-              <item name="laboratory" type="2a2b976b:PhpTreeStructureProvider$1" />
+              <item name="Cache" type="2a2b976b:PhpTreeStructureProvider$1" />
+            </path>
+            <path>
+              <item name="interview" type="b2602c69:ProjectViewProjectNode" />
+              <item name="interview" type="2a2b976b:PhpTreeStructureProvider$1" />
+              <item name="suanfa" type="2a2b976b:PhpTreeStructureProvider$1" />
             </path>
           </expand>
           <select />
@@ -248,8 +313,9 @@
   </component>
   <component name="RecentsManager">
     <key name="MoveFile.RECENT_KEYS">
-      <recent name="$PROJECT_DIR$/laboratory" />
       <recent name="$PROJECT_DIR$/suanfa" />
+      <recent name="$PROJECT_DIR$/Cache" />
+      <recent name="$PROJECT_DIR$/laboratory" />
       <recent name="$PROJECT_DIR$/codehero3" />
       <recent name="$PROJECT_DIR$/codehero2" />
     </key>
@@ -375,7 +441,7 @@
       <workItem from="1578794824618" duration="631000" />
       <workItem from="1578813066261" duration="743000" />
       <workItem from="1578815996647" duration="704000" />
-      <workItem from="1579006330366" duration="4123000" />
+      <workItem from="1579006330366" duration="6192000" />
     </task>
     <task id="LOCAL-00001" summary="纯真IP转换">
       <created>1548580343503</created>
@@ -486,7 +552,7 @@
     <servers />
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="133035000" />
+    <option name="totallyTimeSpent" value="135104000" />
   </component>
   <component name="TodoView">
     <todo-panel id="selected-file">
@@ -498,8 +564,7 @@
     </todo-panel>
   </component>
   <component name="ToolWindowManager">
-    <frame x="0" y="0" width="1440" height="900" extended-state="6" />
-    <editor active="true" />
+    <frame x="0" y="0" width="1440" height="900" extended-state="0" />
     <layout>
       <window_info id="Project" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.36337626" 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="0.32863188" sideWeight="0.5" order="6" side_tool="false" content_ui="tabs" />
@@ -507,9 +572,9 @@
       <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="0.3297568" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
       <window_info id="Version Control" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.32769045" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
-      <window_info id="Run" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.32863188" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
+      <window_info id="Run" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.32769045" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
       <window_info id="Structure" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.2532189" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
-      <window_info id="Terminal" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.41112456" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
+      <window_info id="Terminal" active="true" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.41112456" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
       <window_info id="Favorites" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="2" side_tool="true" content_ui="tabs" />
       <window_info id="Debug" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.3977433" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
       <window_info id="Cvs" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="4" side_tool="false" content_ui="tabs" />
@@ -574,35 +639,6 @@
     <watches-manager />
   </component>
   <component name="editorHistoryManager">
-    <entry file="file://$PROJECT_DIR$/Helper/Tools.php">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="5190">
-          <caret line="346" column="43" lean-forward="false" selection-start-line="346" selection-start-column="34" selection-end-line="346" selection-end-column="43" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/cli/testredis.php">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="255">
-          <caret line="23" column="0" lean-forward="false" selection-start-line="23" selection-start-column="0" selection-end-line="23" selection-end-column="0" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/cli/Consumer.php">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="195">
-          <caret line="18" column="1" lean-forward="false" selection-start-line="18" selection-start-column="1" selection-end-line="18" selection-end-column="1" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/Helper/mkdirs.php" />
-    <entry file="file://$PROJECT_DIR$/Helper/fordir.php">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="28">
-          <caret line="2" column="18" lean-forward="false" selection-start-line="2" selection-start-column="18" selection-end-line="2" selection-end-column="18" />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/composer.json">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="30">
@@ -666,13 +702,6 @@
       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/ERR_MKDIR" />
-    <entry file="file://$PROJECT_DIR$/tindex.php">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="0">
-          <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/test2txt" />
     <entry file="file://$PROJECT_DIR$/test1txt" />
     <entry file="file://$PROJECT_DIR$/getImage.php" />
@@ -731,34 +760,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/test.php">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="30">
-          <caret line="7" column="26" lean-forward="false" selection-start-line="7" selection-start-column="26" selection-end-line="7" selection-end-column="26" />
-          <folding>
-            <element signature="e#6#91#0#PHP" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/test.txt">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="225">
-          <caret line="15" column="1" lean-forward="false" selection-start-line="15" selection-start-column="1" selection-end-line="15" selection-end-column="1" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/Helper/cuttxt.php">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="675">
-          <caret line="50" column="5" lean-forward="false" selection-start-line="50" selection-start-column="5" selection-end-line="50" selection-end-column="5" />
-          <folding>
-            <element signature="e#6#83#0#PHP" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/Services/client.php">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="330">
@@ -829,16 +830,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/all_group.php">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="15">
-          <caret line="1" column="3" lean-forward="true" selection-start-line="1" selection-start-column="3" selection-end-line="1" selection-end-column="3" />
-          <folding>
-            <element signature="e#6#90#0#PHP" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/array_merge_sort.php">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="207">
@@ -895,19 +886,105 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/laboratory/static_test.php">
+    <entry file="file://$PROJECT_DIR$/laboratory/php7_1.php">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="30">
-          <caret line="2" column="24" lean-forward="true" selection-start-line="2" selection-start-column="3" selection-end-line="2" selection-end-column="24" />
+          <caret line="2" column="24" lean-forward="false" selection-start-line="2" selection-start-column="3" selection-end-line="2" selection-end-column="24" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/strpad.php">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="150">
+          <caret line="10" column="18" lean-forward="false" selection-start-line="10" selection-start-column="18" selection-end-line="10" selection-end-column="18" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/subday.php">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="165">
+          <caret line="11" column="15" lean-forward="false" selection-start-line="11" selection-start-column="15" selection-end-line="11" selection-end-column="15" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/test.txt">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="225">
+          <caret line="15" column="1" lean-forward="false" selection-start-line="15" selection-start-column="1" selection-end-line="15" selection-end-column="1" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/Cache/Redis.php">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="0">
+          <caret line="0" column="5" lean-forward="true" selection-start-line="0" selection-start-column="5" selection-end-line="0" selection-end-column="5" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/tindex.php">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="0">
+          <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/test.js">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="0">
+          <caret line="0" column="0" lean-forward="true" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/Helper/cuttxt.php">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="1185">
+          <caret line="79" column="34" lean-forward="false" selection-start-line="79" selection-start-column="34" selection-end-line="79" selection-end-column="34" />
+          <folding>
+            <element signature="e#6#83#0#PHP" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/suanfa/all_group.php">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="128">
+          <caret line="43" column="55" lean-forward="true" selection-start-line="43" selection-start-column="55" selection-end-line="43" selection-end-column="55" />
+          <folding>
+            <element signature="e#6#90#0#PHP" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/getVideoTxt.php">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="255">
+          <caret line="22" column="19" lean-forward="true" selection-start-line="22" selection-start-column="19" selection-end-line="22" selection-end-column="19" />
           <folding />
         </state>
       </provider>
     </entry>
+    <entry file="file://$PROJECT_DIR$/test.php">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="150">
+          <caret line="10" column="0" lean-forward="false" selection-start-line="10" selection-start-column="0" selection-end-line="10" selection-end-column="0" />
+          <folding>
+            <element signature="e#6#91#0#PHP" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
     <entry file="file://$PROJECT_DIR$/README.md">
       <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
         <state split_layout="SPLIT">
-          <first_editor relative-caret-position="360">
-            <caret line="28" column="64" lean-forward="false" selection-start-line="28" selection-start-column="64" selection-end-line="28" selection-end-column="64" />
+          <first_editor relative-caret-position="180">
+            <caret line="12" column="40" lean-forward="false" selection-start-line="12" selection-start-column="40" selection-end-line="12" selection-end-column="40" />
             <folding />
           </first_editor>
           <second_editor />
diff --git a/Useredis.php b/Cache/Redis.php
similarity index 99%
rename from Useredis.php
rename to Cache/Redis.php
index 355778f..749a372 100644
--- a/Useredis.php
+++ b/Cache/Redis.php
@@ -1,5 +1,5 @@
 <?php
-class Useredis{
+class Redis{
         const HOST="127.0.0.1";
         const PORT="6379";
         public $redis;
diff --git a/Helper/cuttxt.php b/Helper/cuttxt.php
index d51eca0..04527b9 100644
--- a/Helper/cuttxt.php
+++ b/Helper/cuttxt.php
@@ -75,11 +75,12 @@ function copyTxt($fileName){
     }
 
 
-    /**将文件分割为$number份
-     * @param $fileName
-     * @param $number
+    /**
+     * 将文件分割为$number份
+     * @param string $fileName  文件
+     * @param int $number    分割份数
      */
-    public static function cutTXTbyNumber($fileName, $number= 2) {
+    public static function cutTXTbyNumber($fileName, int $number= 2) {
 
             if(file_exists($fileName)){
                 $count = 1;
diff --git a/README.md b/README.md
index e862f81..8e2a639 100644
--- a/README.md
+++ b/README.md
@@ -9,12 +9,12 @@ This is a PHP test
 - [给定一个二维数组，数组每行从左到右都是递增的；每列也是递增的。
 请完成一个函数，输入如上二维数组和一个整数，函数功能为判断该整数是都存在于数组中。
 时间复杂度尽可能低。（请说明时间复杂度）](/suanfa/deep_in_array.php)
-
+- [求一个矩阵中最大的二维矩阵（元素和最大) ](/suanfa/max_array.php)
+- [输入一个字符串，输出所有排列](/suanfa/all_group.php)
 
 ## [laboratory 实验室](/laboratory)
 - [测试 array_filter|array_walk|array_map](/laboratory/array_foreach.php)
 - [写一个函数，尽可能高效的，从一个标准 url 里取出文件的扩展名](/laboratory/getUrlExtensionName.php)
-- [求一个矩阵中最大的二维矩阵（元素和最大) ](/suanfa/max_array.php)
 
 如：
 
@@ -26,4 +26,7 @@ This is a PHP test
     4 5
     5 3
 
-- [php7新特性——标量类型与返回值类型声明、以及静态变量的作用域](laboratory/php7_1.php)
\ No newline at end of file
+- [php7新特性——标量类型与返回值类型声明、以及静态变量的作用域](laboratory/php7_1.php)
+
+## [Helper 辅助类小工具](/Helper)
+- [裁剪分割文本文件](/Helper/cuttxt.php)
\ No newline at end of file
diff --git a/getVideoTxt.php b/getVideoTxt.php
index a9e8bdd..6d84d15 100644
--- a/getVideoTxt.php
+++ b/getVideoTxt.php
@@ -12,7 +12,6 @@
 include 'cli/pachong.php';
 
 
-echo 111;die;
 
 $redis = new Redis();
 $redis->pconnect('127.0.0.1','6379');
@@ -20,7 +19,7 @@
 
 //$res = $redis->sMembers('video_'.URL);
 $res = $redis->sDiff('video_'.URL, 'video');//获取差集，key1为主体
-//var_dump($res);die;
+var_dump($res);die;
 foreach ($res as $i){
     file_put_contents("video1.txt", $i."\n",FILE_APPEND);
 }
diff --git a/strpad.php b/strpad.php
deleted file mode 100644
index 9b8f99c..0000000
--- a/strpad.php
+++ /dev/null
@@ -1,12 +0,0 @@
-<?php
-/**
- * Created by PhpStorm.
- * User: chentao
- * Date: 2019/3/13
- * Time: 2:28 PM
- */
-
-$tmp = 10000000000;
-$str = rand(1, 999999999);
-
-echo substr($tmp + $str, 1, 10);
\ No newline at end of file
diff --git a/all_group.php b/suanfa/all_group.php
similarity index 97%
rename from all_group.php
rename to suanfa/all_group.php
index 7ec726d..9ea9932 100644
--- a/all_group.php
+++ b/suanfa/all_group.php
@@ -13,14 +13,14 @@
  *
  */
 
-$str = 'abcd';
+$str = 'abc';
 test3(str_split($str), 0, strlen($str)-1);
 
 
 function test3(&$arr,$start,$len){
 
     if ($start== $len){
-        echo join('', $arr),PHP_EOL;        //④
+        echo implode('', $arr),PHP_EOL;        //④
     }else {
 
         for ($i = $start; $i <= $len; $i++) {
diff --git a/subday.php b/subday.php
deleted file mode 100644
index 75fcfc5..0000000
--- a/subday.php
+++ /dev/null
@@ -1,12 +0,0 @@
-<?php
-/**
- * Created by PhpStorm.
- * User: chentao
- * Date: 2019/3/13
- * Time: 3:32 PM
- */
-
-$day1 = '2018/12/1';
-$day2 = '2018/12/13';
-
-echo round(abs(strtotime($day1) - strtotime($day2)) / 3600 /24);
\ No newline at end of file
diff --git a/test.js b/test.js
deleted file mode 100644
index 82713dc..0000000
--- a/test.js
+++ /dev/null
@@ -1 +0,0 @@
-function f1(){
    n=999;
}

f1();

alert(n); // 999
\ No newline at end of file
diff --git a/test.php b/test.php
index ecb859f..aaed54d 100644
--- a/test.php
+++ b/test.php
@@ -1 +1 @@
-<?php
/**
 * Created by PhpStorm.
 * User: chentao
 * Date: 2019/12/5
 * Time: 11:02 AM
 */
//declare(strict_types=0);

require "/Users/chentao/Documents/work/interview/Helper/cuttxt.php";

cutTXT::cutTXTbyNumber(__DIR__."/test.txt", 2);die;

$redis = new Redis();
$redis->connect('127.0.0.1',3306);

die;
class A {
    private $x = 1;
}

// PHP 7 之前版本定义闭包函数代码
$getXCB = function() {
    return $this->x;
};


// 闭包函数绑定到类 A 上
//$getX = $getXCB->bindTo(new A, 'A');
//echo $getX();
//print(PHP_EOL);


echo $getXCB->call(new A, 'A');



\ No newline at end of file
+<?php
/**
 * Created by PhpStorm.
 * User: chentao
 * Date: 2019/12/5
 * Time: 11:02 AM
 */



class A {
    private $x = 1;
}

// PHP 7 之前版本定义闭包函数代码
$getXCB = function() {
    return $this->x;
};


// 闭包函数绑定到类 A 上
//$getX = $getXCB->bindTo(new A, 'A');
//echo $getX();
//print(PHP_EOL);


echo $getXCB->call(new A, 'A');



\ No newline at end of file