diff --git a/src/__tests__/codegen.test.ts b/src/__tests__/codegen.test.ts
index b899ad4..c998cd6 100644
--- a/src/__tests__/codegen.test.ts
+++ b/src/__tests__/codegen.test.ts
@@ -37,14 +37,14 @@ describe('codegen', () => {
               "file": "ct.mjs",
             },
             {
-              "code": "const pluginCtMap = {
+              "code": "type PluginCtMapType = {
         'foo.100': '#fff',
         'foo.200': {"base":"#000","lg":"#111"},
         'bar.100': 'red',
         'bar.200': 'blue',
-      } as const;
+      }
           
-      export const ct: <T extends keyof typeof pluginCtMap>(alias: T) => typeof pluginCtMap[T];",
+      export const ct: <T extends keyof PluginCtMapType>(alias: T) => PluginCtMapType[T];",
               "file": "ct.d.ts",
             },
           ],