完成80%

utils/navigation.js

@@ -633,6 +633,34 @@ const assertResultSourceContext = (targetRoute, targetParams, sourcePage) => {
   }
 };
 
+const isImplicitRootOptionalContext = (
+  routeKey,
+  route,
+  existingParams,
+  targetParams,
+  name,
+  sourcePage,
+) => {
+  if (
+    !ROOT_ROUTE_KEYS.includes(routeKey) ||
+    !route.optionalParams.includes(name) ||
+    hasOwn(existingParams, name) ||
+    !hasOwn(targetParams, name)
+  ) {
+    return false;
+  }
+
+  const sourceRouteKey = getPageRouteKey(sourcePage);
+  const sourceRoute = getRoute(sourceRouteKey);
+  if (!sourceRoute) return false;
+  const sourceParams = validateRouteParams(
+    sourceRouteKey,
+    getPageParams(sourcePage, sourceRoute),
+    true,
+  ).params;
+  return hasOwn(sourceParams, name) && sourceParams[name] === targetParams[name];
+};
+
 const returnToValidated = (routeKey, targetParams, result) => {
   const validatedTarget = validateRouteParams(
     routeKey,
@@ -656,8 +684,16 @@ const returnToValidated = (routeKey, targetParams, result) => {
     targetIdentity = validatedExisting.params;
     for (const [name, value] of Object.entries(normalizedTargetParams)) {
       if (
-        !hasOwn(validatedExisting.params, name) ||
-        validatedExisting.params[name] !== value
+        (!hasOwn(validatedExisting.params, name) ||
+          validatedExisting.params[name] !== value) &&
+        !isImplicitRootOptionalContext(
+          routeKey,
+          route,
+          validatedExisting.params,
+          normalizedTargetParams,
+          name,
+          sourcePage,
+        )
       ) {
         throw new Error(`${routeKey} 显式目标参数 ${name} 与最近实例不一致`);
       }