diff --git a/go.mod b/go.mod
index 77ef130..fe3214d 100644
--- a/go.mod
+++ b/go.mod
@@ -8,7 +8,7 @@ require (
 	github.com/asaskevich/govalidator v0.0.0-20210307081110-f21760c49a8d
 	github.com/gin-contrib/cors v1.7.2
 	github.com/gin-gonic/gin v1.12.0
-	github.com/go-gost/core v0.6.0
+	github.com/go-gost/core v0.6.1
 	github.com/go-gost/go-shadowsocks2 v0.1.4
 	github.com/go-gost/gosocks4 v0.1.0
 	github.com/go-gost/gosocks5 v0.5.0
diff --git a/go.sum b/go.sum
index 1071c1a..8e9f048 100644
--- a/go.sum
+++ b/go.sum
@@ -51,8 +51,8 @@ github.com/gin-contrib/sse v1.1.0 h1:n0w2GMuUpWDVp7qSpvze6fAu9iRxJY4Hmj6AmBOU05w
 github.com/gin-contrib/sse v1.1.0/go.mod h1:hxRZ5gVpWMT7Z0B0gSNYqqsSCNIJMjzvm6fqCz9vjwM=
 github.com/gin-gonic/gin v1.12.0 h1:b3YAbrZtnf8N//yjKeU2+MQsh2mY5htkZidOM7O0wG8=
 github.com/gin-gonic/gin v1.12.0/go.mod h1:VxccKfsSllpKshkBWgVgRniFFAzFb9csfngsqANjnLc=
-github.com/go-gost/core v0.6.0 h1:Y7jG5bI0QxdzDlMOyEtAYxCz+0GxAHKmaei667pRPWc=
-github.com/go-gost/core v0.6.0/go.mod h1:WGI43jOka7FAsSAwi/fSMaqxdR+E339ycb4NBGlFr6A=
+github.com/go-gost/core v0.6.1 h1:mBBvZpxIbrspuRsksj7YLHEiBGEc+sQBV3wDs4rX/AE=
+github.com/go-gost/core v0.6.1/go.mod h1:WGI43jOka7FAsSAwi/fSMaqxdR+E339ycb4NBGlFr6A=
 github.com/go-gost/go-shadowsocks2 v0.1.4 h1:n2Po4TDKdLp1PsvhSiWFB/6S4e/YKZfsKJkA0PUa168=
 github.com/go-gost/go-shadowsocks2 v0.1.4/go.mod h1:866zFNNI3He6Wef1M/IvAjTal74WhcfKfBgRpTlkKys=
 github.com/go-gost/gosocks4 v0.1.0 h1:eAzev6qw4fzkFQKC9uCHLVNnnPdHyqCggbnfNN80Pmk=
diff --git a/internal/util/httpcache/httpcache.go b/internal/util/httpcache/httpcache.go
index 9bcea78..b934196 100644
--- a/internal/util/httpcache/httpcache.go
+++ b/internal/util/httpcache/httpcache.go
@@ -133,7 +133,17 @@ func (c *Cache) Cacheable(req *http.Request, resp *http.Response) bool {
 	if !c.CacheableRequest(req) {
 		return false
 	}
-	return resp.StatusCode >= 200 && resp.StatusCode < 400
+	if resp.StatusCode < 200 || resp.StatusCode >= 400 {
+		return false
+	}
+	// A Turbo/pjax short-circuit response carries only a handful of <meta>
+	// version tags (not the full page) and is meant to be merged with the
+	// client's already-rendered page. Caching it would serve a blank/partial
+	// page on a later hit. Never cache these.
+	if resp.Header.Get("X-Turbo-Short-Circuit") == "true" {
+		return false
+	}
+	return true
 }
 
 // TTLFor returns the TTL to apply for a response with the given status.
@@ -184,10 +194,18 @@ func (c *Cache) Lookup(ctx context.Context, req *http.Request) (resp *http.Respo
 // Store saves a serialized response (as produced by resp.Write) under req's
 // key, using the TTL for status.
 func (c *Cache) Store(ctx context.Context, req *http.Request, data []byte, status int) error {
+	return c.StoreKey(ctx, Key(req.Method, req.Host, req.RequestURI), data, status)
+}
+
+// StoreKey saves data under an explicit key using the TTL for status.
+// Callers whose request identity is mutated before the response is stored
+// (e.g. Host rewritten for mirror routing) must capture the pre-rewrite key
+// and pass it here, so Lookup and Store agree on the same key.
+func (c *Cache) StoreKey(ctx context.Context, key string, data []byte, status int) error {
 	if c == nil {
 		return nil
 	}
-	return c.store.Set(ctx, Key(req.Method, req.Host, req.RequestURI), data, cache.WithTTL(c.TTLFor(status)))
+	return c.store.Set(ctx, key, data, cache.WithTTL(c.TTLFor(status)))
 }
 
 // TeeWriter wraps w so bytes written to it are also captured for caching, up