diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 307b1b1..ad3f3a4 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -1,137 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ChangeListManager">
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-      <change beforePath="$PROJECT_DIR$/example/web/favicon.png" beforeDir="false" />
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-      <change beforePath="$PROJECT_DIR$/example/web/icons/Icon-512.png" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/example/web/index.html" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/example/web/manifest.json" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/lib/head_image_cropper.dart" beforeDir="false" afterPath="$PROJECT_DIR$/lib/head_image_cropper.dart" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/lib/src/cropper_image_out.dart" beforeDir="false" afterPath="$PROJECT_DIR$/lib/src/cropper_image_out.dart" afterDir="false" />
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     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -312,7 +183,14 @@
       <option name="project" value="LOCAL" />
       <updated>1588326745547</updated>
     </task>
-    <option name="localTasksCounter" value="13" />
+    <task id="LOCAL-00013" summary="* TODO: IOS不能使用BUG">
+      <created>1592107390185</created>
+      <option name="number" value="00013" />
+      <option name="presentableId" value="LOCAL-00013" />
+      <option name="project" value="LOCAL" />
+      <updated>1592107390185</updated>
+    </task>
+    <option name="localTasksCounter" value="14" />
     <servers />
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@@ -323,7 +201,8 @@
     <MESSAGE value="* TODO: 重写代码.&#10;* TODO:添加鼠标支持&#10;* TODO:左键移动&#10;* TODO:滚轮旋转&#10;* TODO:左键＋滚轮缩放&#10;* TODO:添加尺寸限制功能" />
     <MESSAGE value="* TODO: 格式化代码." />
     <MESSAGE value="* TODO: 修改WEB的BUG." />
-    <option name="LAST_COMMIT_MESSAGE" value="* TODO: 修改WEB的BUG." />
+    <MESSAGE value="* TODO: IOS不能使用BUG" />
+    <option name="LAST_COMMIT_MESSAGE" value="* TODO: IOS不能使用BUG" />
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-    <state x="492" y="160" key="CommitChangelistDialog2" timestamp="1592107318705">
+    <state x="492" y="160" key="CommitChangelistDialog2" timestamp="1592107481710">
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@@ -356,46 +235,46 @@
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-    <state width="1878" height="211" key="GridCell.Tab.1.left/0.23.1920.1008@0.23.1920.1008" timestamp="1592107288271" />
-    <state width="1878" height="211" key="GridCell.Tab.1.right" timestamp="1592107288271">
+    <state width="1878" height="211" key="GridCell.Tab.1.left/0.23.1920.1008@0.23.1920.1008" timestamp="1592107455894" />
+    <state width="1878" height="211" key="GridCell.Tab.1.right" timestamp="1592107455895">
       <screen x="0" y="23" width="1920" height="1008" />
     </state>
     <state width="1874" height="231" key="GridCell.Tab.1.right/0.0.1920.1037@0.0.1920.1037" timestamp="1589196278613" />
-    <state width="1878" height="211" key="GridCell.Tab.1.right/0.23.1920.1008@0.23.1920.1008" timestamp="1592107288271" />
+    <state width="1878" height="211" key="GridCell.Tab.1.right/0.23.1920.1008@0.23.1920.1008" timestamp="1592107455895" />
     <state x="599" y="226" key="RollbackChangesDialog" timestamp="1589196013041">
       <screen x="0" y="0" width="1920" height="1037" />
     </state>
@@ -409,10 +288,11 @@
       <screen x="0" y="0" width="1920" height="1037" />
     </state>
     <state x="815" y="431" key="VCS.ChangelistChooser/0.0.1920.1037@0.0.1920.1037" timestamp="1589190879186" />
-    <state x="263" y="248" key="Vcs.Push.Dialog.v2" timestamp="1588326746385">
-      <screen x="0" y="0" width="1920" height="1037" />
+    <state x="263" y="264" key="Vcs.Push.Dialog.v2" timestamp="1592107393297">
+      <screen x="0" y="23" width="1920" height="1008" />
     </state>
     <state x="263" y="248" key="Vcs.Push.Dialog.v2/0.0.1920.1037@0.0.1920.1037" timestamp="1588326746385" />
+    <state x="263" y="264" key="Vcs.Push.Dialog.v2/0.23.1920.1008@0.23.1920.1008" timestamp="1592107393297" />
     <state x="617" y="130" key="com.intellij.openapi.editor.actions.MultiplePasteAction$ClipboardContentChooser" timestamp="1589190628005">
       <screen x="0" y="0" width="1920" height="1037" />
     </state>
diff --git a/example/README.md b/example/README.md
index 7850cc3..45dfca9 100644
--- a/example/README.md
+++ b/example/README.md
@@ -1,6 +1,6 @@
 #Run Example
 
-cd cxample
+cd example
 
 flutter craete .