diff --git a/ch04/4.6/4.6.md b/ch04/4.6/4.6.md
index 82eee3c5..0d723509 100644
--- a/ch04/4.6/4.6.md
+++ b/ch04/4.6/4.6.md
@@ -64,7 +64,7 @@
 FOLLOW 函数如下：
 
     FOLLOW(S) = [$]
-    FOLLOW(A) = [a, $]
+    FOLLOW(A) = [a, +, *, $]
     FOLLOW(B) = [+, * ,$]
 
 语法分析表如下：
@@ -160,8 +160,8 @@ FOLLOW 函数如下：
         <tr>
             <td>7</td>
             <td>r4</td>
-            <td></td>
-            <td></td>
+            <td>r4</td>
+            <td>r4</td>
             <td>r4</td>
             <td></td>
             <td></td>
@@ -170,8 +170,8 @@ FOLLOW 函数如下：
         <tr>
             <td>8</td>
             <td>r5</td>
-            <td></td>
-            <td></td>
+            <td>r5</td>
+            <td>r5</td>
             <td>r5</td>
             <td></td>
             <td></td>