diff --git a/packages/p/python/xmake.lua b/packages/p/python/xmake.lua
index 1b66f843869..f98c4c78dc6 100644
--- a/packages/p/python/xmake.lua
+++ b/packages/p/python/xmake.lua
@@ -97,7 +97,12 @@ package("python")
         os.cp("libs/*", package:installdir("lib"))
         os.cp("*", package:installdir())
         local python = path.join(package:installdir("bin"), "python.exe")
-        os.vrunv(python, {"-m", "pip", "install", "--upgrade", "--force-reinstall", "pip"})
+        if package:version():eq("3.9.10") then
+            -- https://github.com/xmake-io/xmake-repo/issues/1013
+            os.vrunv(python, {"-m", "pip", "install", "--upgrade", "--force-reinstall", "pip=21.3.1"})
+        else
+            os.vrunv(python, {"-m", "pip", "install", "--upgrade", "--force-reinstall", "pip"})
+        end
         os.vrunv(python, {"-m", "pip", "install", "wheel"})
     end)
 
diff --git a/packages/u/unicorn/xmake.lua b/packages/u/unicorn/xmake.lua
index 16d5a7c1141..715632b2307 100644
--- a/packages/u/unicorn/xmake.lua
+++ b/packages/u/unicorn/xmake.lua
@@ -8,15 +8,39 @@ package("unicorn")
     add_deps("cmake")
     add_deps("glib")
 
-    add_links("unicorn", "unicorn-common", "aarch64-softmmu", "sparc-softmmu", "riscv64-softmmu", "arm-softmmu", "m68k-softmmu", "x86_64-softmmu", "s390x-softmmu", "mips64-softmmu", "sparc64-softmmu", "ppc-softmmu", "ppc64-softmmu", "mipsel-softmmu", "riscv32-softmmu", "mips-softmmu", "mips64el-softmmu")
+    local archs = {"aarch64", "sparc", "sparc", "riscv64", "arm", "m68k",
+                   "x86_64", "s390x", "mips64", "sparc64", "ppc", "ppc64",
+                   "mipsel", "riscv32", "mips", "mips64el"}
+    add_configs("arch", {description = "Select unicorn architecture for softmmu.", default = "aarch64", values = archs})
+
+    on_load(function (package)
+        package:add("links", "unicorn")
+        package:add("links", package:config("arch") .. "-softmmu")
+        package:add("links", "unicorn-common")
+    end)
 
     on_install("windows", "macosx", "linux", function (package)
         local configs = {
             "-DUNICORN_BUILD_TESTS=OFF",
             "-DUNICORN_STATIC_MSVCRT=OFF"}
+        local arch = package:config("arch")
+        if arch == "x86_64" then
+            table.insert(configs, "-DUNICORN_ARCH=x86")
+        elseif arch:startswith("riscv") then
+            table.insert(configs, "-DUNICORN_ARCH=riscv")
+        elseif arch:startswith("mips") then
+            table.insert(configs, "-DUNICORN_ARCH=mips")
+        elseif arch:startswith("ppc") then
+            table.insert(configs, "-DUNICORN_ARCH=ppc")
+        else
+            table.insert(configs, "-DUNICORN_ARCH=" .. arch)
+        end
         table.insert(configs, "-DCMAKE_BUILD_TYPE=" .. (package:debug() and "Debug" or "Release"))
         table.insert(configs, "-DBUILD_SHARED_LIBS=" .. (package:config("shared") and "ON" or "OFF"))
         import("package.tools.cmake").install(package, configs, {buildir = "build"})
+        if package:is_plat("windows") then
+            os.cp("include", package:installdir())
+        end
         os.trycp("build/*.a", package:installdir("lib"))
         os.trycp("build/*.lib", package:installdir("lib"))
         os.trycp("build/*.dylib", package:installdir("lib"))