diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index b175b98..c34fa18 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -2,7 +2,7 @@
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   <component name="ChangeListManager">
     <list default="true" id="be5bf74e-ad1c-4197-8a1f-ac93566d8aa7" name="Default" comment="init">
-      <change type="NEW" beforePath="" afterPath="$PROJECT_DIR$/自然语言处理/TextCNN.md" />
+      <change type="NEW" beforePath="" afterPath="$PROJECT_DIR$/深度学习/框架.md" />
       <change type="MODIFICATION" beforePath="$PROJECT_DIR$/.idea/workspace.xml" afterPath="$PROJECT_DIR$/.idea/workspace.xml" />
       <change type="MODIFICATION" beforePath="$PROJECT_DIR$/README.md" afterPath="$PROJECT_DIR$/README.md" />
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@@ -27,6 +27,15 @@
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       <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="120">
+                <caret line="282" column="16" selection-start-line="282" selection-start-column="7" selection-end-line="282" selection-end-column="16" />
+                <folding />
+              </first_editor>
+              <second_editor />
+            </state>
+          </provider>
           <provider editor-type-id="split-provider[text-editor;MarkdownPreviewEditor]">
             <state split_layout="SPLIT">
               <first_editor relative-caret-position="0">
@@ -38,19 +47,19 @@
               </second_editor>
             </state>
           </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="框架.md" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/深度学习/框架.md">
           <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
             <state split_layout="SPLIT">
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+              <first_editor relative-caret-position="60">
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                 <folding />
               </first_editor>
               <second_editor />
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             <state split_layout="SPLIT">
               <first_editor relative-caret-position="0">
@@ -62,15 +71,30 @@
               </second_editor>
             </state>
           </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="TextCNN.md" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/自然语言处理/TextCNN.md">
           <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
             <state split_layout="SPLIT">
-              <first_editor relative-caret-position="549">
+              <first_editor relative-caret-position="720">
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                 <folding />
               </first_editor>
               <second_editor />
             </state>
           </provider>
+          <provider editor-type-id="split-provider[text-editor;MarkdownPreviewEditor]">
+            <state split_layout="SPLIT">
+              <first_editor relative-caret-position="0">
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+              </first_editor>
+              <second_editor>
+                <js_state />
+              </second_editor>
+            </state>
+          </provider>
         </entry>
       </file>
     </leaf>
@@ -133,8 +157,9 @@
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         <option value="$PROJECT_DIR$/深度学习/dropout.md" />
         <option value="$PROJECT_DIR$/自然语言处理/LDA.md" />
-        <option value="$PROJECT_DIR$/README.md" />
         <option value="$PROJECT_DIR$/自然语言处理/TextCNN.md" />
+        <option value="$PROJECT_DIR$/README.md" />
+        <option value="$PROJECT_DIR$/深度学习/框架.md" />
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@@ -578,12 +603,13 @@
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   <component name="ToolWindowManager">
     <frame x="0" y="23" width="1440" height="823" extended-state="6" />
-    <editor active="true" />
+    <editor active="false" />
     <layout>
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+      <window_info id="Project" active="true" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.23247497" sideWeight="0.5" order="0" side_tool="false" content_ui="combo" />
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+      <window_info id="Find" 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="1" side_tool="false" content_ui="tabs" />
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@@ -598,7 +624,6 @@
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@@ -644,17 +669,6 @@
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@@ -925,16 +939,6 @@
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@@ -943,9 +947,6 @@
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@@ -956,6 +957,9 @@
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@@ -964,8 +968,6 @@
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@@ -976,6 +978,8 @@
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@@ -996,6 +998,8 @@
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@@ -1016,6 +1018,8 @@
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@@ -1036,6 +1038,8 @@
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@@ -1056,6 +1058,8 @@
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@@ -1076,6 +1078,8 @@
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@@ -1096,6 +1098,8 @@
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@@ -1116,6 +1118,8 @@
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@@ -1136,6 +1138,8 @@
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@@ -1156,6 +1158,8 @@
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@@ -1176,6 +1178,8 @@
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@@ -1196,6 +1198,8 @@
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@@ -1216,6 +1218,8 @@
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diff --git a/README.md b/README.md
index 2590c94..1a1a3dd 100644
--- a/README.md
+++ b/README.md
@@ -279,6 +279,8 @@
     - [各种机器学习的应用场景分别是什么？例如，k近邻,贝叶斯，决策树，svm，逻辑斯蒂回归](机器学习/支持向量机/支持向量机.md#L164)
     - [Linear SVM 和 LR 有什么异同](机器学习/支持向量机/支持向量机.md#L164)
 # 深度学习
+- 框架
+    - [为什么要用深度召回](深度学习/框架.md#L164)
 - dropout
     - [dropout如何作用的](深度学习/dropout.md#L164)
     - [L1为什么在深度学习中不常用](深度学习/dropout.md#L164)
diff --git "a/\346\267\261\345\272\246\345\255\246\344\271\240/\346\241\206\346\236\266.md" "b/\346\267\261\345\272\246\345\255\246\344\271\240/\346\241\206\346\236\266.md"
new file mode 100644
index 0000000..824cfb9
--- /dev/null
+++ "b/\346\267\261\345\272\246\345\255\246\344\271\240/\346\241\206\346\236\266.md"
@@ -0,0 +1,5 @@
+# 为什么要用深度召回?
+
+- 特征表征能力更强，比如引入了序列特征，位置特征，进行了embedding，加了attention等等
+- 优秀的网络结构+drop机制，相当于构造了特征交叉和无数个自模型进行minibatch上最好的拟合
+- 通过全商品集合上的向量相似检索的方式一定程度上增加召回结果的多样性
\ No newline at end of file