diff --git a/.gitignore b/.gitignore
index 5657f6e..cb756e9 100755
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
-vendor
\ No newline at end of file
+vendor
+.idea
\ No newline at end of file
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index cfce920..81c3aa9 100755
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -2,8 +2,10 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="c6d18d2d-44f8-4885-9381-0bf5edf3ad73" name="Default" comment="">
+      <change type="DELETED" beforePath="$PROJECT_DIR$/composer.lock" afterPath="" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/.gitignore" afterPath="$PROJECT_DIR$/.gitignore" />
       <change type="MODIFICATION" beforePath="$PROJECT_DIR$/.idea/workspace.xml" afterPath="$PROJECT_DIR$/.idea/workspace.xml" />
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/src/Utils/CommonUtil.php" afterPath="$PROJECT_DIR$/src/Utils/CommonUtil.php" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/composer.json" afterPath="$PROJECT_DIR$/composer.json" />
     </list>
     <ignored path="PHPBASE.iws" />
     <ignored path=".idea/workspace.xml" />
@@ -25,15 +27,12 @@
   </component>
   <component name="FileEditorManager">
     <leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
-      <file leaf-file-name="README-LRedisSession.md" pinned="false" current-in-tab="true">
-        <entry file="file://$PROJECT_DIR$/src/Session/README-LRedisSession.md">
-          <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
-            <state split_layout="SPLIT">
-              <first_editor relative-caret-position="66">
-                <caret line="3" column="24" selection-start-line="3" selection-start-column="24" selection-end-line="3" selection-end-column="24" />
-                <folding />
-              </first_editor>
-              <second_editor />
+      <file leaf-file-name="composer.json" pinned="false" current-in-tab="true">
+        <entry file="file://$PROJECT_DIR$/composer.json">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="82">
+              <caret line="25" column="36" selection-start-line="25" selection-start-column="36" selection-end-line="25" selection-end-column="36" />
+              <folding />
             </state>
           </provider>
         </entry>
@@ -89,14 +88,14 @@
         <option value="$PROJECT_DIR$/test/TestLDB.php" />
         <option value="$PROJECT_DIR$/README.md" />
         <option value="$PROJECT_DIR$/src/Image/LImage.php" />
-        <option value="$PROJECT_DIR$/.gitignore" />
         <option value="$PROJECT_DIR$/src/Utils/ServerUtil.php" />
         <option value="$PROJECT_DIR$/src/File/LPdf.php" />
         <option value="$PROJECT_DIR$/test/TestLFile.php" />
         <option value="$PROJECT_DIR$/src/Orm/README.md" />
-        <option value="$PROJECT_DIR$/composer.json" />
         <option value="$PROJECT_DIR$/src/Orm/LActiveRecord.php" />
         <option value="$PROJECT_DIR$/src/Utils/CommonUtil.php" />
+        <option value="$PROJECT_DIR$/.gitignore" />
+        <option value="$PROJECT_DIR$/composer.json" />
       </list>
     </option>
   </component>
@@ -159,38 +158,6 @@
               <option name="myItemType" value="com.jetbrains.php.projectView.PhpTreeStructureProvider$1" />
             </PATH_ELEMENT>
           </PATH>
-          <PATH>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="PHPBASE" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.ProjectViewProjectNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="PHPBASE" />
-              <option name="myItemType" value="com.jetbrains.php.projectView.PhpTreeStructureProvider$1" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="src" />
-              <option name="myItemType" value="com.jetbrains.php.projectView.PhpTreeStructureProvider$1" />
-            </PATH_ELEMENT>
-          </PATH>
-          <PATH>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="PHPBASE" />
-              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.ProjectViewProjectNode" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="PHPBASE" />
-              <option name="myItemType" value="com.jetbrains.php.projectView.PhpTreeStructureProvider$1" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="src" />
-              <option name="myItemType" value="com.jetbrains.php.projectView.PhpTreeStructureProvider$1" />
-            </PATH_ELEMENT>
-            <PATH_ELEMENT>
-              <option name="myItemId" value="Session" />
-              <option name="myItemType" value="com.jetbrains.php.projectView.PhpTreeStructureProvider$1" />
-            </PATH_ELEMENT>
-          </PATH>
         </subPane>
       </pane>
       <pane id="Scope" />
@@ -323,23 +290,25 @@
       <workItem from="1522200064585" duration="2165000" />
       <workItem from="1523354070171" duration="1376000" />
       <workItem from="1523440969650" duration="1849000" />
+      <workItem from="1523506379989" duration="21000" />
+      <workItem from="1524140631914" duration="951000" />
     </task>
     <servers />
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="31948000" />
+    <option name="totallyTimeSpent" value="32920000" />
   </component>
   <component name="ToolWindowManager">
     <frame x="0" y="23" width="1366" height="745" extended-state="6" />
     <editor active="true" />
     <layout>
-      <window_info id="Project" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.28625378" sideWeight="0.5" order="0" side_tool="false" content_ui="combo" />
+      <window_info id="Project" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.29531723" 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="0.33" sideWeight="0.5" order="6" side_tool="false" content_ui="tabs" />
       <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="10" 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="0.33" 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="0.33" sideWeight="0.5" order="8" 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="0.25" 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="0.1883614" sideWeight="0.5" order="9" 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="0.3541985" sideWeight="0.5" order="9" 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="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" />
       <window_info id="Message" 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="0" side_tool="false" content_ui="tabs" />
@@ -369,11 +338,32 @@
     <watches-manager />
   </component>
   <component name="editorHistoryManager">
+    <entry file="file://$PROJECT_DIR$/src/Session/README-LRedisSession.md">
+      <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
+        <state split_layout="SPLIT">
+          <first_editor relative-caret-position="0">
+            <caret line="0" column="0" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
+            <folding />
+          </first_editor>
+          <second_editor />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/Session/README-LRedisSession.md">
+      <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
+        <state split_layout="SPLIT">
+          <first_editor relative-caret-position="0">
+            <caret line="0" column="0" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
+            <folding />
+          </first_editor>
+          <second_editor />
+        </state>
+      </provider>
+    </entry>
     <entry file="file://$PROJECT_DIR$/composer.json">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="682">
           <caret line="31" column="15" selection-start-line="31" selection-start-column="15" selection-end-line="31" selection-end-column="15" />
-          <folding />
         </state>
       </provider>
     </entry>
@@ -381,7 +371,6 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="176">
           <caret line="10" column="9" selection-start-line="10" selection-start-column="9" selection-end-line="10" selection-end-column="9" />
-          <folding />
         </state>
       </provider>
     </entry>
@@ -389,7 +378,6 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="1540">
           <caret line="76" column="7" selection-start-line="76" selection-start-column="7" selection-end-line="76" selection-end-column="7" />
-          <folding />
         </state>
       </provider>
     </entry>
@@ -398,7 +386,6 @@
         <state split_layout="SPLIT">
           <first_editor relative-caret-position="0">
             <caret line="0" column="0" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
-            <folding />
           </first_editor>
           <second_editor />
         </state>
@@ -408,7 +395,6 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="0">
           <caret line="0" column="0" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
-          <folding />
         </state>
       </provider>
     </entry>
@@ -502,13 +488,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/.gitignore">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="0">
-          <caret line="0" column="6" selection-start-line="0" selection-start-column="6" selection-end-line="0" selection-end-column="6" />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/composer.lock">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="0">
@@ -516,19 +495,10 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/composer.json">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="682">
-          <caret line="31" column="15" selection-start-line="31" selection-start-column="15" selection-end-line="31" selection-end-column="15" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/src/Orm/ArrayTrait.php">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="176">
           <caret line="10" column="9" selection-start-line="10" selection-start-column="9" selection-end-line="10" selection-end-column="9" />
-          <folding />
         </state>
       </provider>
     </entry>
@@ -537,7 +507,6 @@
         <state split_layout="SPLIT">
           <first_editor relative-caret-position="176">
             <caret line="8" column="23" selection-start-line="8" selection-start-column="23" selection-end-line="8" selection-end-column="23" />
-            <folding />
           </first_editor>
           <second_editor />
         </state>
@@ -547,18 +516,6 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="154">
           <caret line="70" column="7" selection-start-line="70" selection-start-column="7" selection-end-line="70" selection-end-column="7" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/README.md">
-      <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
-        <state split_layout="SPLIT">
-          <first_editor relative-caret-position="390">
-            <caret line="50" column="20" selection-start-line="50" selection-start-column="20" selection-end-line="50" selection-end-column="20" />
-            <folding />
-          </first_editor>
-          <second_editor />
         </state>
       </provider>
     </entry>
@@ -566,7 +523,6 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="154">
           <caret line="136" column="6" selection-start-line="136" selection-start-column="6" selection-end-line="136" selection-end-column="6" />
-          <folding />
         </state>
       </provider>
     </entry>
@@ -574,7 +530,6 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="66">
           <caret line="3" column="0" selection-start-line="3" selection-start-column="0" selection-end-line="3" selection-end-column="0" />
-          <folding />
         </state>
       </provider>
     </entry>
@@ -589,5 +544,40 @@
         </state>
       </provider>
     </entry>
+    <entry file="file://$PROJECT_DIR$/README.md">
+      <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
+        <state split_layout="SPLIT">
+          <first_editor relative-caret-position="390">
+            <caret line="50" column="20" selection-start-line="50" selection-start-column="20" selection-end-line="50" selection-end-column="20" />
+            <folding />
+          </first_editor>
+          <second_editor />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/.gitignore">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="22">
+          <caret line="1" column="5" selection-start-line="1" selection-start-column="5" selection-end-line="1" selection-end-column="5" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/Mail/LMail.php">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="-1282">
+          <caret line="14" column="24" selection-start-line="14" selection-start-column="24" selection-end-line="14" selection-end-column="24" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/composer.json">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="82">
+          <caret line="25" column="36" selection-start-line="25" selection-start-column="36" selection-end-line="25" selection-end-column="36" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
   </component>
 </project>
\ No newline at end of file
diff --git a/composer.json b/composer.json
index 2a603d7..67f44f2 100755
--- a/composer.json
+++ b/composer.json
@@ -15,6 +15,12 @@
   ],
   "license": "MIT",
   "type": "library",
+  "repositories": {
+    "packagist": {
+      "type": "composer",
+      "url": "https://packagist.phpcomposer.com"
+    }
+  },
   "require": {
     "php": ">=5.6",
     "cube-group/lvalidator": "~1.1.1",
@@ -23,11 +29,11 @@
     "gregwar/captcha": "1.1.5",
     "gregwar/cache": "1.0.12",
     "christian-riesen/otp": "2.5.0",
-    "swiftmailer/swiftmailer": "5.4.9",
-    "bacon/bacon-qr-code": "1.0.3",
-    "qiniu/php-sdk": "7.2.3",
-    "mpdf/mpdf": "6.1.3",
-    "symfony/var-dumper": "3.4.6"
+    "swiftmailer/swiftmailer": "^5.4.9",
+    "bacon/bacon-qr-code": "^1.0.3",
+    "qiniu/php-sdk": "^7.2.3",
+    "mpdf/mpdf": "^6.1.3",
+    "symfony/var-dumper": "^3.1.10"
   },
   "autoload": {
     "psr-4": {
diff --git a/composer.lock b/composer.lock
index cc95a7a..1b20b1a 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "content-hash": "69d32970b6b4a2f962ab6c2bd34c6f3d",
+    "content-hash": "afac565881de31cb5cc6c47a4235972f",
     "packages": [
         {
             "name": "bacon/bacon-qr-code",
@@ -303,21 +303,21 @@
         },
         {
             "name": "mpdf/mpdf",
-            "version": "v6.1.3",
+            "version": "6.1.x-dev",
             "source": {
                 "type": "git",
                 "url": "https://github.com/mpdf/mpdf.git",
-                "reference": "7f138bf7508eac895ac2c13d2509b056ac7e7e97"
+                "reference": "e7310ce53b5c11db1f0b781fe0a69066608ac6e2"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://files.phpcomposer.com/files/mpdf/mpdf/7f138bf7508eac895ac2c13d2509b056ac7e7e97.zip",
-                "reference": "7f138bf7508eac895ac2c13d2509b056ac7e7e97",
+                "url": "https://files.phpcomposer.com/files/mpdf/mpdf/e7310ce53b5c11db1f0b781fe0a69066608ac6e2.zip",
+                "reference": "e7310ce53b5c11db1f0b781fe0a69066608ac6e2",
                 "shasum": ""
             },
             "require": {
                 "ext-mbstring": "*",
-                "php": ">=5.4.0",
+                "php": "^5.4.0 || 7.0.*",
                 "setasign/fpdi": "1.6.*"
             },
             "require-dev": {
@@ -350,7 +350,7 @@
                 "php",
                 "utf-8"
             ],
-            "time": "2016-12-12T10:42:18+00:00"
+            "time": "2017-07-09T16:46:12+00:00"
         },
         {
             "name": "paragonie/constant_time_encoding",
@@ -416,16 +416,16 @@
         },
         {
             "name": "paragonie/random_compat",
-            "version": "v2.0.11",
+            "version": "v2.0.12",
             "source": {
                 "type": "git",
                 "url": "https://github.com/paragonie/random_compat.git",
-                "reference": "5da4d3c796c275c55f057af5a643ae297d96b4d8"
+                "reference": "258c89a6b97de7dfaf5b8c7607d0478e236b04fb"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://files.phpcomposer.com/files/paragonie/random_compat/5da4d3c796c275c55f057af5a643ae297d96b4d8.zip",
-                "reference": "5da4d3c796c275c55f057af5a643ae297d96b4d8",
+                "url": "https://files.phpcomposer.com/files/paragonie/random_compat/258c89a6b97de7dfaf5b8c7607d0478e236b04fb.zip",
+                "reference": "258c89a6b97de7dfaf5b8c7607d0478e236b04fb",
                 "shasum": ""
             },
             "require": {
@@ -460,7 +460,7 @@
                 "pseudorandom",
                 "random"
             ],
-            "time": "2017-09-27T21:40:39+00:00"
+            "time": "2018-04-04T21:24:14+00:00"
         },
         {
             "name": "phpoffice/phpspreadsheet",
@@ -698,7 +698,7 @@
         },
         {
             "name": "swiftmailer/swiftmailer",
-            "version": "v5.4.9",
+            "version": "5.x-dev",
             "source": {
                 "type": "git",
                 "url": "https://github.com/swiftmailer/swiftmailer.git",
@@ -756,12 +756,12 @@
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/finder.git",
-                "reference": "a479817ce0a9e4adfd7d39c6407c95d97c254625"
+                "reference": "bd14efe8b1fabc4de82bf50dce62f05f9a102433"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://files.phpcomposer.com/files/symfony/finder/a479817ce0a9e4adfd7d39c6407c95d97c254625.zip",
-                "reference": "a479817ce0a9e4adfd7d39c6407c95d97c254625",
+                "url": "https://files.phpcomposer.com/files/symfony/finder/bd14efe8b1fabc4de82bf50dce62f05f9a102433.zip",
+                "reference": "bd14efe8b1fabc4de82bf50dce62f05f9a102433",
                 "shasum": ""
             },
             "require": {
@@ -797,7 +797,7 @@
             ],
             "description": "Symfony Finder Component",
             "homepage": "https://symfony.com",
-            "time": "2018-03-05T18:28:11+00:00"
+            "time": "2018-04-04T05:07:11+00:00"
         },
         {
             "name": "symfony/polyfill-mbstring",
@@ -968,16 +968,16 @@
         },
         {
             "name": "symfony/var-dumper",
-            "version": "v3.4.6",
+            "version": "3.4.x-dev",
             "source": {
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                 "url": "https://github.com/symfony/var-dumper.git",
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-                "url": "https://files.phpcomposer.com/files/symfony/var-dumper/80964679d81da3d5618519e0e4be488c3d7ecd7d.zip",
-                "reference": "80964679d81da3d5618519e0e4be488c3d7ecd7d",
+                "url": "https://files.phpcomposer.com/files/symfony/var-dumper/951643091b39a6fd40fce56cd16e21e12bef3feb.zip",
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@@ -1033,7 +1033,7 @@
                 "debug",
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             ],
-            "time": "2018-02-22T17:29:24+00:00"
+            "time": "2018-04-03T20:34:11+00:00"
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     "packages-dev": [],