doc: AlexNet_BN: modify README

ykl/AlexNet_BN/README.md

@@ -22,11 +22,11 @@
 
       - [ ] center and scale
 
-      ![image-20230409133159255](image/image-20230409133159255.png)
+        ![image-20230409133159255](image/image-20230409133159255.png)
 
       - [x] center and scale
 
-      ![image-20230409133216797](image/image-20230409133216797.png)
+        ![image-20230409133216797](image/image-20230409133216797.png)
 
 
       + js_param - acc_loss
@@ -35,33 +35,34 @@
 
         - [ ] center and scale
 
-        ![image-20230409133305267](image/image-20230409133305267.png)
+          ![image-20230409133305267](image/image-20230409133305267.png)
 
         - [x] center and scale
 
-        ![image-20230409133331030](image/image-20230409133331030.png)
+          ![image-20230409133331030](image/image-20230409133331030.png)
 
-+ 加入FP3-FP7后
 
-  + js_flops - acc_loss
+  + 加入FP3-FP7后
 
-    Rational: Numerator degree 2 / Denominator degree 2
+    + js_flops - acc_loss
+
+      Rational: Numerator degree 2 / Denominator degree 2
 
-    - [ ] center and scale
+      - [ ] center and scale
 
-    ![image-20230409133616671](image/image-20230409133616671.png)
+        ![image-20230409133616671](image/image-20230409133616671.png)
 
-    - [x] center and scale
+      - [x] center and scale
 
-    ![image-20230409143802907](image/image-20230409143802907.png)
+        ![image-20230409143802907](image/image-20230409143802907.png)
 
-  + js_param - acc_loss
+    + js_param - acc_loss
 
-    Rational: Numerator degree 2 / Denominator degree 2
+      Rational: Numerator degree 2 / Denominator degree 2
 
-  + [ ] center and scale
-    ![image-20230409143907871](image/image-20230409143907871.png)
+      + [ ] center and scale
+        ![image-20230409143907871](image/image-20230409143907871.png)
 
-    - [x] center and scale
+      + [x] center and scale
 
-    ![image-20230409143845569](image/image-20230409143845569.png)
\ No newline at end of file
+        ![image-20230409143845569](image/image-20230409143845569.png)
\ No newline at end of file