chore: 更新版本号至0.0.78，并在 fromJSONSchema 函数中将返回值设为可选

package.json

@@ -1,7 +1,7 @@
 {
   "$schema": "https://json.schemastore.org/package",
   "name": "@kevisual/router",
-  "version": "0.0.77",
+  "version": "0.0.78",
   "description": "",
   "type": "module",
   "main": "./dist/router.js",

src/route.ts

@@ -320,7 +320,8 @@ export const fromJSONSchema = <Merge extends boolean = true>(args: any = {}, opt
     const newArgs: { [key: string]: any } = {};
     for (let key of keys) {
       const item = args[key];
-      newArgs[key] = z.fromJSONSchema(item);
+      // fromJSONSchema 可能会失败，所以先 optional，等使用的时候再验证
+      newArgs[key] = z.fromJSONSchema(item).optional();
     }
     resultArgs = newArgs;
   }