diff --git a/SICP/index.tm b/SICP/index.tm
index 4546d00..618d541 100644
--- a/SICP/index.tm
+++ b/SICP/index.tm
@@ -26,7 +26,9 @@
 
     <item>\<#7B2C\>3\<#8BFE\>\<#FF1A\>\<#7528\>\<#51FD\>\<#6570\>\<#505A\>\<#62BD\>\<#8C61\>
 
-    \<#8BFE\>\<#4EF6\>\<#FF1A\><hlink|\<#4EA4\>\<#4E92\>\<#5F0F\>\<#8BB2\>\<#4E49\>03|https://gitee.com/XmacsLabs/interactive-sicp/raw/main/course03.tm>
+    \<#8BB2\>\<#4E49\>\<#FF1A\><hlink|\<#4EA4\>\<#4E92\>\<#5F0F\>\<#8BB2\>\<#4E49\>03|https://gitee.com/XmacsLabs/interactive-sicp/raw/main/course03.tm>
+
+    \<#8BFE\>\<#4EF6\>\<#FF1A\><hlink|\<#5E7B\>\<#706F\>\<#7247\>03|slide03.tm>
 
     <item>\<#7B2C\>2\<#8BFE\>\<#FF1A\>\<#7F16\>\<#7A0B\>\<#7684\>\<#57FA\>\<#672C\>\<#539F\>\<#7406\>\<#FF08\>\<#4E60\>\<#9898\>\<#8BFE\>\<#FF09\>
 
@@ -36,7 +38,7 @@
 
     \<#8BB2\>\<#4E49\>\<#FF1A\><hlink|\<#4EA4\>\<#4E92\>\<#5F0F\>\<#8BB2\>\<#4E49\>01|https://gitee.com/XmacsLabs/interactive-sicp/raw/main/course01.tm>
 
-    \<#8BFE\>\<#4EF6\>\<#FF1A\><hlink|\<#5E7B\>\<#706F\>\<#7247\>|slide01.tm>
+    \<#8BFE\>\<#4EF6\>\<#FF1A\><hlink|\<#5E7B\>\<#706F\>\<#7247\>01|slide01.tm>
 
     \<#56DE\>\<#653E\>\<#FF1A\><hlink|B\<#7AD9\>\<#89C6\>\<#9891\>|https://www.bilibili.com/video/BV1cp421f7xP/>
 
diff --git a/SICP/slide01.tm b/SICP/slide01.tm
index 5e472ba..0e44d56 100644
--- a/SICP/slide01.tm
+++ b/SICP/slide01.tm
@@ -1,6 +1,6 @@
 <TeXmacs|2.1.2>
 
-<style|<tuple|beamer|no-page-numbers|chinese|blackboard>>
+<style|<tuple|beamer|no-page-numbers|chinese>>
 
 <\body>
   <\hide-preamble>
diff --git a/SICP/slide03.tm b/SICP/slide03.tm
new file mode 100644
index 0000000..29db6da
--- /dev/null
+++ b/SICP/slide03.tm
@@ -0,0 +1,135 @@
+<TeXmacs|2.1.2>
+
+<style|<tuple|beamer|no-page-numbers|chinese>>
+
+<\body>
+  <\hide-preamble>
+    <assign|dfn|<macro|x|<strong|<arg|x>>>>
+  </hide-preamble>
+
+  <screens|<\shown>
+    <tit|\<#96F6\>\<#57FA\>\<#7840\>SICP\<#FF1A\>\<#7B2C\>3\<#8BFE\>>
+
+    <\wide-tabular>
+      <tformat|<cwith|2|-1|1|-1|cell-height|40px>|<cwith|2|-1|1|-1|cell-vmode|exact>|<table|<row|<\cell>
+        <very-large|<\sectional-normal-bold>
+          \<#7F16\>\<#7A0B\>\<#7684\>\<#57FA\>\<#672C\>\<#539F\>\<#7406\>
+        </sectional-normal-bold>>
+      </cell>|<\cell>
+        <very-large|<\sectional-normal-bold>
+          Elements of Programming
+        </sectional-normal-bold>>
+      </cell>>|<row|<\cell>
+        \<#8868\>\<#8FBE\>\<#5F0F\>
+      </cell>|<\cell>
+        Expressions
+      </cell>>|<row|<\cell>
+        \<#547D\>\<#540D\>\<#4E0E\>\<#73AF\>\<#5883\>
+      </cell>|<\cell>
+        Naming and the Evironment
+      </cell>>|<row|<\cell>
+        \<#7EC4\>\<#5408\>\<#5F0F\>\<#7684\>\<#6C42\>\<#503C\>
+      </cell>|<\cell>
+        Evaluating Combinations
+      </cell>>|<row|<\cell>
+        \<#590D\>\<#5408\>\<#51FD\>\<#6570\>
+      </cell>|<\cell>
+        Compound Procedures
+      </cell>>|<row|<\cell>
+        \<#51FD\>\<#6570\>\<#5E94\>\<#7528\>\<#7684\>\<#4EE3\>\<#6362\>\<#6A21\>\<#578B\>
+      </cell>|<\cell>
+        The Subsitution Model for Procedure Application
+      </cell>>|<row|<\cell>
+        \<#6761\>\<#4EF6\>\<#8868\>\<#8FBE\>\<#5F0F\>\<#548C\>\<#8C13\>\<#8BCD\>
+      </cell>|<\cell>
+        Conditional Expressions and Predicates
+      </cell>>|<row|<\cell>
+        \;
+      </cell>|<\cell>
+        \;
+      </cell>>|<row|<\cell>
+        \<#7EBF\>\<#6027\>\<#9012\>\<#5F52\>\<#548C\>\<#8FED\>\<#4EE3\>
+      </cell>|<\cell>
+        Linear Recursion and Iteration
+      </cell>>|<row|<\cell>
+        \<#6811\>\<#5F62\>\<#9012\>\<#5F52\>
+      </cell>|<\cell>
+        Tree Recursion
+      </cell>>>>
+    </wide-tabular>
+  </shown>>
+</body>
+
+<\initial>
+  <\collection>
+    <associate|info-flag|minimal>
+    <associate|marked-color|pastel yellow>
+    <associate|page-medium|beamer>
+    <associate|page-screen-margin|false>
+    <associate|preamble|false>
+  </collection>
+</initial>
+
+<\references>
+  <\collection>
+    <associate|auto-1|<tuple|?|?|slide01.tm>>
+    <associate|auto-10|<tuple|2|?|slide01.tm>>
+    <associate|auto-11|<tuple|1|?|slide01.tm>>
+    <associate|auto-12|<tuple|applicative order evaluation|?|slide01.tm>>
+    <associate|auto-13|<tuple|2|?|slide01.tm>>
+    <associate|auto-14|<tuple|normal order evaluation|?|slide01.tm>>
+    <associate|auto-15|<tuple|2|?|slide01.tm>>
+    <associate|auto-2|<tuple|normal order evaluation|?|slide01.tm>>
+    <associate|auto-3|<tuple|2|?|slide01.tm>>
+    <associate|auto-4|<tuple|2|?|slide01.tm>>
+    <associate|auto-5|<tuple|normal order evaluation|?|slide01.tm>>
+    <associate|auto-6|<tuple|2|?|slide01.tm>>
+    <associate|auto-7|<tuple|2|?|slide01.tm>>
+    <associate|auto-8|<tuple|2|?|slide01.tm>>
+    <associate|auto-9|<tuple|normal order evaluation|?|slide01.tm>>
+  </collection>
+</references>
+
+<\auxiliary>
+  <\collection>
+    <\associate|figure>
+      <tuple|normal|<surround|<hidden-binding|<tuple>|1>||\<#64CD\>\<#4F5C\>\<#7B26\>\<#548C\>\<#64CD\>\<#4F5C\>\<#6570\>>|<pageref|auto-7>>
+
+      <tuple|normal|<surround|<hidden-binding|<tuple>|2>||\<#4E00\>\<#4E2A\>\<#5177\>\<#4F53\>\<#7684\>\<#4F8B\>\<#5B50\>>|<pageref|auto-8>>
+    </associate>
+    <\associate|gly>
+      <tuple|normal|primitive|\<#539F\>\<#8BED\>|<pageref|auto-1>>
+
+      <tuple|normal|expression|\<#8868\>\<#8FBE\>\<#5F0F\>|<pageref|auto-2>>
+
+      <tuple|normal|procedure|\<#51FD\>\<#6570\>|<pageref|auto-3>>
+
+      <tuple|normal|combination|\<#7EC4\>\<#5408\>|<pageref|auto-4>>
+
+      <tuple|normal|abstraction|\<#62BD\>\<#8C61\>|<pageref|auto-5>>
+
+      <tuple|normal|combinations|\<#7EC4\>\<#5408\>\<#5F0F\>|<pageref|auto-6>>
+
+      <tuple|normal|compound procedure|\<#590D\>\<#5408\>\<#51FD\>\<#6570\>|<pageref|auto-9>>
+
+      <tuple|normal|substitution model|\<#4EE3\>\<#6362\>\<#6A21\>\<#578B\>|<pageref|auto-10>>
+
+      <tuple|normal|applicative order evaluation|\<#5E94\>\<#7528\>\<#5E8F\>\<#6C42\>\<#503C\>|<pageref|auto-12>>
+
+      <tuple|normal|normal order evaluation|\<#6B63\>\<#5219\>\<#5E8F\>\<#6C42\>\<#503C\>|<pageref|auto-14>>
+    </associate>
+    <\associate|toc>
+      <with|par-left|<quote|3tab>|\<#5E94\>\<#7528\>\<#5E8F\>\<#6C42\>\<#503C\>
+      <datoms|<macro|x|<repeat|<arg|x>|<with|font-series|medium|<with|font-size|1|<space|0.2fn>.<space|0.2fn>>>>>|<htab|5mm>>
+      <no-break><pageref|auto-11>>
+
+      <with|par-left|<quote|3tab>|\<#6B63\>\<#5219\>\<#5E8F\>\<#6C42\>\<#503C\>
+      <datoms|<macro|x|<repeat|<arg|x>|<with|font-series|medium|<with|font-size|1|<space|0.2fn>.<space|0.2fn>>>>>|<htab|5mm>>
+      <no-break><pageref|auto-13>>
+
+      <vspace*|1fn><with|font-series|<quote|bold>|math-font-series|<quote|bold>|\<#672F\>\<#8BED\>\<#8868\>>
+      <datoms|<macro|x|<repeat|<arg|x>|<with|font-series|medium|<with|font-size|1|<space|0.2fn>.<space|0.2fn>>>>>|<htab|5mm>>
+      <no-break><pageref|auto-15><vspace|0.5fn>
+    </associate>
+  </collection>
+</auxiliary>
\ No newline at end of file