diff --git a/README.md b/README.md
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--- a/README.md
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@@ -22,7 +22,7 @@ The first stable micro-architecture of XiangShan is called Yanqihu (雁栖湖) o
The micro-architecture overview is shown below.
-![xs-arch-single](xs-arch-single.svg)
+![xs-arch-single](xs-arch-simple.svg)
diff --git a/xs-arch-simple.svg b/xs-arch-simple.svg
new file mode 100644
index 0000000000000000000000000000000000000000..2710e52b33099b6f8d017f09ecce1a973a40ad40
--- /dev/null
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+
+
+
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diff --git a/xs-arch-single.svg b/xs-arch-single.svg
deleted file mode 100644
index a83580877cc41ad3782a3c7d2acf99bfc17fd866..0000000000000000000000000000000000000000
--- a/xs-arch-single.svg
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-
-
-
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