diff --git a/core/src/main/java/com/yizhuan/xchat_android_core/file/cos/CosClient.kt b/core/src/main/java/com/yizhuan/xchat_android_core/file/cos/CosClient.kt
index 46e3a98c8..4d31c0e23 100644
--- a/core/src/main/java/com/yizhuan/xchat_android_core/file/cos/CosClient.kt
+++ b/core/src/main/java/com/yizhuan/xchat_android_core/file/cos/CosClient.kt
@@ -1,6 +1,7 @@
 package com.yizhuan.xchat_android_core.file.cos
 
 import android.content.Context
+import android.net.Uri
 import android.util.Log
 import com.tencent.cos.xml.CosXmlService
 import com.tencent.cos.xml.CosXmlServiceConfig
@@ -12,9 +13,6 @@ import com.tencent.cos.xml.model.CosXmlResult
 import com.tencent.cos.xml.transfer.COSXMLUploadTask
 import com.tencent.cos.xml.transfer.TransferConfig
 import com.tencent.cos.xml.transfer.TransferManager
-import com.yizhuan.xchat_android_core.file.cos.CosCredentialProvider
-import com.yizhuan.xchat_android_core.file.cos.CosException
-import com.yizhuan.xchat_android_core.file.cos.CosToken
 import com.yizhuan.xchat_android_library.common.application.Env
 import io.reactivex.Single
 import java.io.File
@@ -68,6 +66,7 @@ object CosClient {
             uploadFile(context, file, outName, token).apply {
                 setCosXmlResultListener(object : CosXmlResultListener {
                     override fun onSuccess(request: CosXmlRequest?, result: CosXmlResult) {
+                        transformDomain(result, token)
                         if (Env.isDebug()) {
                             Log.e("CosClient", "upload onSuccess result:${result.accessUrl}")
                         }
@@ -90,6 +89,22 @@ object CosClient {
         }
     }
 
+    private fun transformDomain(result: CosXmlResult, token: CosToken) {
+        try {
+            if (result.accessUrl.isNullOrEmpty()) {
+                return
+            }
+            if (token.customDomain.isNullOrEmpty()) {
+                return
+            }
+            val newUri = Uri.parse(token.customDomain)
+            result.accessUrl = Uri.parse(result.accessUrl).buildUpon().scheme(newUri.scheme)
+                .authority(newUri.authority).build().toString()
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+    }
+
     /**
      * 上传文件
      * @param outName 远端文件名
diff --git a/core/src/main/java/com/yizhuan/xchat_android_core/file/cos/CosToken.kt b/core/src/main/java/com/yizhuan/xchat_android_core/file/cos/CosToken.kt
index b1e436c01..9a9926226 100644
--- a/core/src/main/java/com/yizhuan/xchat_android_core/file/cos/CosToken.kt
+++ b/core/src/main/java/com/yizhuan/xchat_android_core/file/cos/CosToken.kt
@@ -16,6 +16,7 @@ data class CosToken(
     val region: String?,
     val startTime: Long?,
     val expireTime: Long?,
+    val customDomain: String?
 ) {
 
     /**