diff --git a/.idea/EasyImages2.0.iml b/.idea/EasyImages2.0.iml
deleted file mode 100644
index c956989..0000000
--- a/.idea/EasyImages2.0.iml
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module type="WEB_MODULE" version="4">
-  <component name="NewModuleRootManager">
-    <content url="file://$MODULE_DIR$" />
-    <orderEntry type="inheritedJdk" />
-    <orderEntry type="sourceFolder" forTests="false" />
-  </component>
-</module>
\ No newline at end of file
diff --git a/.idea/codeStyles/Project.xml b/.idea/codeStyles/Project.xml
deleted file mode 100644
index b3295c5..0000000
--- a/.idea/codeStyles/Project.xml
+++ /dev/null
@@ -1,7 +0,0 @@
-<component name="ProjectCodeStyleConfiguration">
-  <code_scheme name="Project" version="173">
-    <XML>
-      <option name="XML_LEGACY_SETTINGS_IMPORTED" value="true" />
-    </XML>
-  </code_scheme>
-</component>
\ No newline at end of file
diff --git a/.idea/codeStyles/codeStyleConfig.xml b/.idea/codeStyles/codeStyleConfig.xml
deleted file mode 100644
index 79ee123..0000000
--- a/.idea/codeStyles/codeStyleConfig.xml
+++ /dev/null
@@ -1,5 +0,0 @@
-<component name="ProjectCodeStyleConfiguration">
-  <state>
-    <option name="USE_PER_PROJECT_SETTINGS" value="true" />
-  </state>
-</component>
\ No newline at end of file
diff --git a/.idea/dictionaries/hqs.xml b/.idea/dictionaries/hqs.xml
deleted file mode 100644
index 8c0237a..0000000
--- a/.idea/dictionaries/hqs.xml
+++ /dev/null
@@ -1,3 +0,0 @@
-<component name="ProjectDictionaryState">
-  <dictionary name="hqs" />
-</component>
\ No newline at end of file
diff --git a/.idea/encodings.xml b/.idea/encodings.xml
deleted file mode 100644
index 97626ba..0000000
--- a/.idea/encodings.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="Encoding">
-    <file url="PROJECT" charset="UTF-8" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
deleted file mode 100644
index 3373760..0000000
--- a/.idea/misc.xml
+++ /dev/null
@@ -1,25 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="JavaScriptSettings">
-    <option name="languageLevel" value="ES6" />
-  </component>
-  <component name="NodePackageJsonFileManager">
-    <packageJsonPaths />
-  </component>
-  <component name="ProjectInspectionProfilesVisibleTreeState">
-    <entry key="Project Default">
-      <profile-state>
-        <expanded-state>
-          <State>
-            <id />
-          </State>
-        </expanded-state>
-        <selected-state>
-          <State>
-            <id>Blade files</id>
-          </State>
-        </selected-state>
-      </profile-state>
-    </entry>
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
deleted file mode 100644
index ad7b1b6..0000000
--- a/.idea/modules.xml
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectModuleManager">
-    <modules>
-      <module fileurl="file://$PROJECT_DIR$/.idea/EasyImages2.0.iml" filepath="$PROJECT_DIR$/.idea/EasyImages2.0.iml" />
-    </modules>
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/php.xml b/.idea/php.xml
deleted file mode 100644
index 023cd8a..0000000
--- a/.idea/php.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="Behat">
-    <behat_settings>
-      <BehatSettings />
-    </behat_settings>
-  </component>
-  <component name="PhpUnit">
-    <phpunit_settings>
-      <PhpUnitSettings />
-    </phpunit_settings>
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
deleted file mode 100644
index 94a25f7..0000000
--- a/.idea/vcs.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?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/.idea/workspace.xml b/.idea/workspace.xml
deleted file mode 100644
index b7ba7c4..0000000
--- a/.idea/workspace.xml
+++ /dev/null
@@ -1,267 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ChangeListManager">
-    <list default="true" id="58e7c2e4-b31b-4843-9837-5874d5083fb3" name="默认更改列表" comment="">
-      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/README.md" beforeDir="false" afterPath="$PROJECT_DIR$/README.md" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/config.php" beforeDir="false" afterPath="$PROJECT_DIR$/config.php" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/libs/footer.php" beforeDir="false" afterPath="$PROJECT_DIR$/libs/footer.php" afterDir="false" />
-    </list>
-    <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
-    <option name="SHOW_DIALOG" value="false" />
-    <option name="HIGHLIGHT_CONFLICTS" value="true" />
-    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
-    <option name="LAST_RESOLUTION" value="IGNORE" />
-  </component>
-  <component name="ComposerSettings">
-    <execution>
-      <executable />
-    </execution>
-  </component>
-  <component name="FileEditorManager">
-    <leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
-      <file pinned="false" current-in-tab="false">
-        <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="1118">
-                <caret line="36" column="8" selection-start-line="36" selection-start-column="8" selection-end-line="36" selection-end-column="8" />
-              </first_editor>
-              <second_editor />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/config.php">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="650">
-              <caret line="87" column="23" lean-forward="true" selection-start-line="87" selection-start-column="23" selection-end-line="87" selection-end-column="23" />
-              <folding>
-                <element signature="e#6#241#0#PHP" expanded="true" />
-              </folding>
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/index.php">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="-2369" />
-          </provider>
-        </entry>
-      </file>
-      <file pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/libs/footer.php">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="647">
-              <caret line="47" column="308" lean-forward="true" selection-start-line="47" selection-start-column="308" selection-end-line="47" selection-end-column="308" />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file pinned="false" current-in-tab="true">
-        <entry file="file://$PROJECT_DIR$/libs/function.php">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="-2811" />
-          </provider>
-        </entry>
-      </file>
-    </leaf>
-  </component>
-  <component name="Git.Settings">
-    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
-  </component>
-  <component name="IdeDocumentHistory">
-    <option name="CHANGED_PATHS">
-      <list>
-        <option value="$PROJECT_DIR$/mm.php" />
-        <option value="$PROJECT_DIR$/README.md" />
-        <option value="$PROJECT_DIR$/config.php" />
-        <option value="$PROJECT_DIR$/libs/footer.php" />
-      </list>
-    </option>
-  </component>
-  <component name="PhpWorkspaceProjectConfiguration" interpreter_name="PHP" />
-  <component name="ProjectConfigurationFiles">
-    <option name="files">
-      <list>
-        <option value="$PROJECT_DIR$/.idea/EasyImages2.0.iml" />
-        <option value="$PROJECT_DIR$/.idea/misc.xml" />
-        <option value="$PROJECT_DIR$/.idea/php.xml" />
-        <option value="$PROJECT_DIR$/.idea/vcs.xml" />
-        <option value="$PROJECT_DIR$/.idea/encodings.xml" />
-        <option value="$PROJECT_DIR$/.idea/modules.xml" />
-        <option value="$PROJECT_DIR$/.idea/codeStyles/Project.xml" />
-        <option value="$PROJECT_DIR$/.idea/codeStyles/codeStyleConfig.xml" />
-        <option value="$PROJECT_DIR$/.idea/dictionaries/hqs.xml" />
-      </list>
-    </option>
-  </component>
-  <component name="ProjectFrameBounds" extendedState="6">
-    <option name="x" value="150" />
-    <option name="y" value="318" />
-    <option name="width" value="1932" />
-    <option name="height" value="1087" />
-  </component>
-  <component name="ProjectView">
-    <navigator proportions="" version="1">
-      <foldersAlwaysOnTop value="true" />
-    </navigator>
-    <panes>
-      <pane id="Scope" />
-      <pane id="ProjectPane">
-        <subPane>
-          <expand>
-            <path>
-              <item name="EasyImages2.0" type="b2602c69:ProjectViewProjectNode" />
-              <item name="EasyImages2.0" type="462c0819:PsiDirectoryNode" />
-            </path>
-            <path>
-              <item name="EasyImages2.0" type="b2602c69:ProjectViewProjectNode" />
-              <item name="EasyImages2.0" type="462c0819:PsiDirectoryNode" />
-              <item name="libs" type="462c0819:PsiDirectoryNode" />
-            </path>
-          </expand>
-          <select />
-        </subPane>
-      </pane>
-    </panes>
-  </component>
-  <component name="PropertiesComponent">
-    <property name="ASKED_SHARE_PROJECT_CONFIGURATION_FILES" value="true" />
-    <property name="SHARE_PROJECT_CONFIGURATION_FILES" value="true" />
-    <property name="WebServerToolWindowFactoryState" value="false" />
-    <property name="nodejs_interpreter_path.stuck_in_default_project" value="undefined stuck path" />
-    <property name="nodejs_npm_path_reset_for_default_project" value="true" />
-    <property name="settings.editor.selected.configurable" value="configurable.group.editor" />
-    <property name="settings.editor.splitter.proportion" value="0.2" />
-  </component>
-  <component name="RunDashboard">
-    <option name="ruleStates">
-      <list>
-        <RuleState>
-          <option name="name" value="ConfigurationTypeDashboardGroupingRule" />
-        </RuleState>
-        <RuleState>
-          <option name="name" value="StatusDashboardGroupingRule" />
-        </RuleState>
-      </list>
-    </option>
-  </component>
-  <component name="RunManager">
-    <configuration name="mm.php" type="PhpLocalRunConfigurationType" factoryName="PHP Console" temporary="true" path="$PROJECT_DIR$/mm.php">
-      <method v="2" />
-    </configuration>
-    <recent_temporary>
-      <list>
-        <item itemvalue="PHP Script.mm.php" />
-      </list>
-    </recent_temporary>
-  </component>
-  <component name="SvnConfiguration">
-    <configuration>C:\Users\hqs\AppData\Roaming\Subversion</configuration>
-  </component>
-  <component name="TaskManager">
-    <task active="true" id="Default" summary="Default task">
-      <changelist id="58e7c2e4-b31b-4843-9837-5874d5083fb3" name="默认更改列表" comment="" />
-      <created>1561565921585</created>
-      <option name="number" value="Default" />
-      <option name="presentableId" value="Default" />
-      <updated>1561565921585</updated>
-      <workItem from="1561565923812" duration="45000" />
-      <workItem from="1561623921873" duration="563000" />
-      <workItem from="1561768333985" duration="1412000" />
-      <workItem from="1561769760044" duration="64000" />
-      <workItem from="1561769848111" duration="344000" />
-    </task>
-    <servers />
-  </component>
-  <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="2428000" />
-  </component>
-  <component name="ToolWindowManager">
-    <frame x="-8" y="-8" width="1936" height="1066" extended-state="6" />
-    <editor active="true" />
-    <layout>
-      <window_info active="true" content_ui="combo" id="Project" order="0" visible="true" weight="0.26012793" />
-      <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" />
-      <window_info anchor="bottom" id="Find" order="1" />
-      <window_info anchor="bottom" id="Run" order="2" weight="0.3290461" />
-      <window_info anchor="bottom" id="Debug" order="3" weight="0.4" />
-      <window_info anchor="bottom" id="Cvs" order="4" weight="0.25" />
-      <window_info anchor="bottom" id="Inspection" order="5" weight="0.4" />
-      <window_info anchor="bottom" id="TODO" order="6" />
-      <window_info anchor="bottom" id="Docker" order="7" show_stripe_button="false" />
-      <window_info anchor="bottom" id="Database Changes" order="8" />
-      <window_info anchor="bottom" id="Version Control" order="9" />
-      <window_info anchor="bottom" id="Terminal" order="10" />
-      <window_info anchor="bottom" id="Event Log" order="11" side_tool="true" />
-      <window_info anchor="bottom" id="调试" order="12" />
-      <window_info anchor="right" id="Commander" internal_type="SLIDING" order="0" type="SLIDING" weight="0.4" />
-      <window_info anchor="right" id="Ant Build" order="1" weight="0.25" />
-      <window_info anchor="right" content_ui="combo" id="Hierarchy" order="2" weight="0.25" />
-      <window_info anchor="right" id="Database" order="3" />
-    </layout>
-  </component>
-  <component name="TypeScriptGeneratedFilesManager">
-    <option name="version" value="1" />
-  </component>
-  <component name="editorHistoryManager">
-    <entry file="file://$PROJECT_DIR$/mm.php" />
-    <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="1118">
-            <caret line="36" column="8" selection-start-line="36" selection-start-column="8" selection-end-line="36" selection-end-column="8" />
-          </first_editor>
-          <second_editor />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/config.php">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="650">
-          <caret line="87" column="23" lean-forward="true" selection-start-line="87" selection-start-column="23" selection-end-line="87" selection-end-column="23" />
-          <folding>
-            <element signature="e#6#241#0#PHP" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/index.php">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="-2369" />
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/libs/footer.php">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="647">
-          <caret line="47" column="308" lean-forward="true" selection-start-line="47" selection-start-column="308" selection-end-line="47" selection-end-column="308" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/libs/function.php">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="-2811" />
-      </provider>
-    </entry>
-  </component>
-  <component name="masterDetails">
-    <states>
-      <state key="ScopeChooserConfigurable.UI">
-        <settings>
-          <splitter-proportions>
-            <option name="proportions">
-              <list>
-                <option value="0.2" />
-              </list>
-            </option>
-          </splitter-proportions>
-        </settings>
-      </state>
-    </states>
-  </component>
-</project>
\ No newline at end of file
diff --git a/README.md b/README.md
index 059d9c0..567e12c 100644
--- a/README.md
+++ b/README.md
@@ -69,10 +69,12 @@ api上传成功后返回json：
 ```
 如果关闭api上传，则什么都不显示。
 
+#### 更新日志
+
 * 2019-6-26 v2.0.2.0
 - 精简压缩代码，使得不再压缩后反而变大
 - 删除异域上传功能，不再支持异域上传
-- 允许自定义上传扩展名
+- 后台控制上传数量,上传格式
 - 其他一些优化
 
 * 2019-6-14 v2.0.1.9
diff --git a/config.php b/config.php
index cf2a410..647b424 100644
--- a/config.php
+++ b/config.php
@@ -37,6 +37,8 @@ $config = array(
      'path' => '/i/',
     // 最大上传限制 默认为 5242880Bytes = 5MB 请使用工具转换MB http://www.bejson.com/convert/filesize/
      'maxSize' => 5242880,
+    // 每次最多上传图片数
+    'maxUploadFiles'=>30,
     // 是否开启登录上传 开启:true 关闭false
      'mustLogin' => false,
     // 是否开启管理
diff --git a/index.php b/index.php
index a343844..4b364df 100644
--- a/index.php
+++ b/index.php
@@ -91,7 +91,7 @@ if (@$_GET['e']==1){
       prevent_duplicates: true
     },
     // 限制文件上传数目
-    limitFilesCount: 30,
+    limitFilesCount: <?php echo $config['maxUploadFiles'];?>,
     // 自动上传失败的文件
     autoResetFails: true,