diff --git a/code.html b/code.html
index fa115d17c454db17ed3adbb031af7a4bc8000df0..9a03355349698453001c8bd80fabc22e605f8e9d 100644
--- a/code.html
+++ b/code.html
@@ -536,7 +536,7 @@
           <field name="height">100</field>
         </block>
       </category>
-      <category name="引入">  <block type="link_cdn_pico"></block>
+      <category name="引入" css-path="static\boxy\svg\cdn.svg">  <block type="link_cdn_pico"></block>
         <block type="link_css"></block>
         <block type="link_js"></block>
       </category>
@@ -633,10 +633,10 @@
           </value>
         </block>
       </category>
-      <category name="库">
+      <category name="库" css-path="static\boxy\svg\receive.svg">
         <block type="import"></block>
       </category>
-      <category name="输出">
+      <category name="输出" css-path="static\boxy\svg\echo.svg">
         <block type="echo"></block>
         <block type="print_r"></block>
         <block type="js_log"></block>
diff --git a/static/boxy/blocks/get.js.js b/static/boxy/blocks/get.js.js
index 9ffd6d27ecebdf234e489f46ffd9b529445fcc5a..7bab355c8575c429990b627b2a927fb8adeb11d2 100644
--- a/static/boxy/blocks/get.js.js
+++ b/static/boxy/blocks/get.js.js
@@ -307,6 +307,6 @@ Blockly.PHP['link_js'] = function(block) {
 };
 Blockly.PHP['link_cdn_pico'] = function(block) {
   // TODO: Assemble PHP into code variable.
-  var code = '...;\n';
+  var code = '<link href="https://www.codekpy.site/cdn/pico.css">\n';
   return code;
 };
\ No newline at end of file
diff --git a/static/boxy/svg/cdn.svg b/static/boxy/svg/cdn.svg
new file mode 100644
index 0000000000000000000000000000000000000000..cbe1fb3c14b2efa593166a4a6919a3209ed9a55d
--- /dev/null
+++ b/static/boxy/svg/cdn.svg
@@ -0,0 +1 @@
+<?xml version="1.0" encoding="UTF-8"?><svg width="24" height="24" viewBox="0 0 48 48" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M37 22.0001L34 25.0001L23 14.0001L26 11.0001C27.5 9.50002 33 7.00005 37 11.0001C41 15.0001 38.5 20.5 37 22.0001Z" fill="none" stroke="#333" stroke-width="2" stroke-linecap="square" stroke-linejoin="round"/><path d="M42 6L37 11" stroke="#333" stroke-width="2" stroke-linecap="square" stroke-linejoin="round"/><path d="M11 25.9999L14 22.9999L25 33.9999L22 36.9999C20.5 38.5 15 41 11 36.9999C7 32.9999 9.5 27.5 11 25.9999Z" fill="none" stroke="#333" stroke-width="2" stroke-linecap="square" stroke-linejoin="round"/><path d="M23 32L27 28" stroke="#333" stroke-width="2" stroke-linecap="square" stroke-linejoin="round"/><path d="M6 42L11 37" stroke="#333" stroke-width="2" stroke-linecap="square" stroke-linejoin="round"/><path d="M16 25L20 21" stroke="#333" stroke-width="2" stroke-linecap="square" stroke-linejoin="round"/></svg>
\ No newline at end of file
diff --git a/static/boxy/svg/echo.svg b/static/boxy/svg/echo.svg
new file mode 100644
index 0000000000000000000000000000000000000000..f56ae7d7ab5534a9ad9bcb86590327338a7af07a
--- /dev/null
+++ b/static/boxy/svg/echo.svg
@@ -0,0 +1 @@
+<?xml version="1.0" encoding="UTF-8"?><svg width="24" height="24" viewBox="0 0 48 48" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M7 42H43" stroke="#333" stroke-width="2" stroke-linecap="square" stroke-linejoin="round"/><path d="M11 26.7199V34H18.3172L39 13.3081L31.6951 6L11 26.7199Z" fill="none" stroke="#333" stroke-width="2" stroke-linejoin="round"/></svg>
\ No newline at end of file
diff --git a/static/boxy/svg/receive.svg b/static/boxy/svg/receive.svg
new file mode 100644
index 0000000000000000000000000000000000000000..dda61a26fa06d484497580da073b2e660a5c8f5d
--- /dev/null
+++ b/static/boxy/svg/receive.svg
@@ -0,0 +1 @@
+<?xml version="1.0" encoding="UTF-8"?><svg width="24" height="24" viewBox="0 0 48 48" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M4.59202 19.4667C4.29018 18.2091 5.24343 17 6.53679 17H41.4632C42.7566 17 43.7098 18.2091 43.408 19.4667L38.368 40.4667C38.1522 41.366 37.348 42 36.4232 42H11.5768C10.652 42 9.84784 41.366 9.63202 40.4667L4.59202 19.4667Z" fill="none" stroke="#333" stroke-width="2" stroke-linecap="square" stroke-linejoin="round"/><rect x="11" y="7" width="8" height="10" stroke="#333" stroke-width="2" stroke-linecap="square" stroke-linejoin="round"/><path d="M19 17L25.5 8L38 17" stroke="#333" stroke-width="2" stroke-linecap="square" stroke-linejoin="round"/><path d="M15 25H23" stroke="#333" stroke-width="2" stroke-linecap="square"/></svg>
\ No newline at end of file
diff --git a/static/boxy/toolbox/toolbox.xml b/static/boxy/toolbox/toolbox.xml
index abf6fe14d9a2b4989aef62e9fe1e630da1c64548..f73938609ea754d785028238e1aa7ee2b34869bf 100644
--- a/static/boxy/toolbox/toolbox.xml
+++ b/static/boxy/toolbox/toolbox.xml
@@ -413,7 +413,7 @@
       <field name="height">100</field>
     </block>
   </category>
-  <category name="引入">
+  <category name="引入" css-path="static\boxy\svg\cdn.svg">
   <block type="link_cdn_pico"></block>
   <block type="link_css"></block>
   <block type="link_js"></block>
@@ -511,10 +511,10 @@
       </value>
     </block>
   </category>
-  <category name="库">
+  <category name="库" css-path="static\boxy\svg\receive.svg">
     <block type="import"></block>
   </category>
-  <category name="输出">
+  <category name="输出" css-path="static\boxy\svg\echo.svg">
     <block type="echo"></block>
     <block type="print_r"></block>
     <block type="js_log"></block>
diff --git a/version b/version
index 8f6c1831cdcf44d4014cbfe4f642fc7302868bc2..f5cf9500c8f96b07443e08e831cb655b275f96ae 100644
--- a/version
+++ b/version
@@ -1,5 +1,5 @@
 主版本号：0
-子版本号：1
-修订次数：77
+子版本号：2
+修订次数：152
 版本标识：B
-版本号：0.1.77.B
+版本号：0.2.152.B