diff --git a/app/src/main/java/io/nekohasekai/sagernet/group/RawUpdater.kt b/app/src/main/java/io/nekohasekai/sagernet/group/RawUpdater.kt
index c1a034a2..fc70e58c 100644
--- a/app/src/main/java/io/nekohasekai/sagernet/group/RawUpdater.kt
+++ b/app/src/main/java/io/nekohasekai/sagernet/group/RawUpdater.kt
@@ -23,6 +23,7 @@ import io.nekohasekai.sagernet.ktx.*
 import libcore.Libcore
 import moe.matsuri.nb4a.Protocols
 import moe.matsuri.nb4a.proxy.config.ConfigBean
+import moe.matsuri.nb4a.utils.Util
 import org.ini4j.Ini
 import org.json.JSONArray
 import org.json.JSONObject
@@ -66,10 +67,11 @@ object RawUpdater : GroupUpdater() {
                 setURL(subscription.link)
                 setUserAgent(subscription.customUserAgent.takeIf { it.isNotBlank() } ?: USER_AGENT)
             }.execute()
-            proxies = parseRaw(response.contentString)
+            proxies = parseRaw(Util.getStringBox(response.contentString))
                 ?: error(app.getString(R.string.no_proxies_found))
 
-            subscription.subscriptionUserinfo = response.getHeader("Subscription-Userinfo")
+            subscription.subscriptionUserinfo =
+                Util.getStringBox(response.getHeader("Subscription-Userinfo"))
         }
 
         val proxiesMap = LinkedHashMap<String, AbstractBean>()
diff --git a/app/src/main/java/io/nekohasekai/sagernet/ui/AssetsActivity.kt b/app/src/main/java/io/nekohasekai/sagernet/ui/AssetsActivity.kt
index 0679a1e4..d6384828 100644
--- a/app/src/main/java/io/nekohasekai/sagernet/ui/AssetsActivity.kt
+++ b/app/src/main/java/io/nekohasekai/sagernet/ui/AssetsActivity.kt
@@ -18,6 +18,7 @@ import io.nekohasekai.sagernet.databinding.LayoutAssetsBinding
 import io.nekohasekai.sagernet.ktx.*
 import io.nekohasekai.sagernet.widget.UndoSnackbarManager
 import libcore.Libcore
+import moe.matsuri.nb4a.utils.Util
 import org.json.JSONObject
 import java.io.File
 import java.io.FileWriter
@@ -283,7 +284,7 @@ class AssetsActivity : ThemedActivity() {
                 setURL("https://api.github.com/repos/$repo/releases/latest")
             }.execute()
 
-            val release = JSONObject(response.contentString)
+            val release = JSONObject(Util.getStringBox(response.contentString))
             val tagName = release.optString("tag_name")
 
             if (tagName == localVersion) {
diff --git a/app/src/main/java/io/nekohasekai/sagernet/utils/Cloudflare.kt b/app/src/main/java/io/nekohasekai/sagernet/utils/Cloudflare.kt
index eee031f8..b70d854a 100644
--- a/app/src/main/java/io/nekohasekai/sagernet/utils/Cloudflare.kt
+++ b/app/src/main/java/io/nekohasekai/sagernet/utils/Cloudflare.kt
@@ -9,6 +9,7 @@ import io.nekohasekai.sagernet.utils.cf.RegisterRequest
 import io.nekohasekai.sagernet.utils.cf.UpdateDeviceRequest
 import libcore.Libcore
 import moe.matsuri.nb4a.utils.JavaUtil.gson
+import moe.matsuri.nb4a.utils.Util
 
 // kang from wgcf
 object Cloudflare {
@@ -37,8 +38,9 @@ object Cloudflare {
                 setUserAgent("okhttp/3.12.1")
             }.execute()
 
-            Logs.d(response.contentString)
-            val device = gson.fromJson(response.contentString, DeviceResponse::class.java)
+            Logs.d(Util.getStringBox(response.contentString))
+            val device =
+                gson.fromJson(Util.getStringBox(response.contentString), DeviceResponse::class.java)
             val accessToken = device.token
 
             client.newRequest().apply {
diff --git a/app/src/main/java/moe/matsuri/nb4a/utils/Util.kt b/app/src/main/java/moe/matsuri/nb4a/utils/Util.kt
index 77bb1901..35df4ee6 100644
--- a/app/src/main/java/moe/matsuri/nb4a/utils/Util.kt
+++ b/app/src/main/java/moe/matsuri/nb4a/utils/Util.kt
@@ -3,6 +3,7 @@ package moe.matsuri.nb4a.utils
 import android.annotation.SuppressLint
 import android.content.Context
 import android.util.Base64
+import libcore.StringBox
 import java.io.ByteArrayOutputStream
 import java.text.SimpleDateFormat
 import java.util.*
@@ -181,4 +182,10 @@ object Util {
         }
     }
 
+    fun getStringBox(b: StringBox?): String {
+        if (b != null && b.value != null) {
+            return b.value
+        }
+        return ""
+    }
 }
diff --git a/libcore/build.sh b/libcore/build.sh
index 22b9a7b0..202ef26d 100755
--- a/libcore/build.sh
+++ b/libcore/build.sh
@@ -1,5 +1,6 @@
 #!/bin/bash
 
+source ../../env_go.sh || true
 source ../buildScript/init/env_ndk.sh
 
 BUILD=".build"
diff --git a/libcore/fix.go b/libcore/fix.go
new file mode 100644
index 00000000..ccc41c48
--- /dev/null
+++ b/libcore/fix.go
@@ -0,0 +1,12 @@
+package libcore
+
+// https://github.com/golang/go/issues/46893
+// TODO: remove after `bulkBarrierPreWrite: unaligned arguments` fixed
+
+type StringBox struct {
+	Value string
+}
+
+func wrapString(value string) *StringBox {
+	return &StringBox{Value: value}
+}
diff --git a/libcore/http.go b/libcore/http.go
index 609faddc..db15a9af 100644
--- a/libcore/http.go
+++ b/libcore/http.go
@@ -45,9 +45,9 @@ type HTTPRequest interface {
 }
 
 type HTTPResponse interface {
-	GetHeader(string) string
+	GetHeader(string) *StringBox
 	GetContent() ([]byte, error)
-	GetContentString() (string, error)
+	GetContentString() (*StringBox, error)
 	WriteTo(path string) error
 }
 
@@ -204,7 +204,7 @@ type httpResponse struct {
 }
 
 func (h *httpResponse) errorString() string {
-	content, err := h.GetContentString()
+	content, err := h.getContentString()
 	if err != nil {
 		return fmt.Sprint("HTTP ", h.Status)
 	}
@@ -214,8 +214,8 @@ func (h *httpResponse) errorString() string {
 	return fmt.Sprint("HTTP ", h.Status, ": ", content)
 }
 
-func (h *httpResponse) GetHeader(key string) string {
-	return h.Header.Get(key)
+func (h *httpResponse) GetHeader(key string) *StringBox {
+	return wrapString(h.Header.Get(key))
 }
 
 func (h *httpResponse) GetContent() ([]byte, error) {
@@ -226,7 +226,15 @@ func (h *httpResponse) GetContent() ([]byte, error) {
 	return h.content, h.contentError
 }
 
-func (h *httpResponse) GetContentString() (string, error) {
+func (h *httpResponse) GetContentString() (*StringBox, error) {
+	content, err := h.getContentString()
+	if err != nil {
+		return nil, err
+	}
+	return wrapString(content), nil
+}
+
+func (h *httpResponse) getContentString() (string, error) {
 	content, err := h.GetContent()
 	if err != nil {
 		return "", err