diff --git a/app/src/main/java/com/hippo/ehviewer/client/EhEngine.kt b/app/src/main/java/com/hippo/ehviewer/client/EhEngine.kt
index 64b5e3ea1..415991101 100644
--- a/app/src/main/java/com/hippo/ehviewer/client/EhEngine.kt
+++ b/app/src/main/java/com/hippo/ehviewer/client/EhEngine.kt
@@ -215,21 +215,19 @@ object EhEngine {
         galleryInfoList: List<GalleryInfo>,
         referer: String,
     ) {
-        val ja = JSONArray()
-        var i = 0
-        val size = galleryInfoList.size
-        while (i < size) {
-            val gi = galleryInfoList[i]
-            val g = JSONArray()
-            g.put(gi.gid)
-            g.put(gi.token)
-            ja.put(g)
-            i++
-        }
         return ehRequest(EhUrl.apiUrl, referer, EhUrl.origin) {
             jsonBody {
                 put("method", "gdata")
-                put("gidlist", ja)
+                array("gidlist") {
+                    galleryInfoList.forEach {
+                        put(
+                            array {
+                                put(it.gid)
+                                put(it.token)
+                            },
+                        )
+                    }
+                }
                 put("namespace", 1)
             }
         }.executeAndParsingWith { GalleryApiParser.parse(this, galleryInfoList) }
diff --git a/app/src/main/java/com/hippo/ehviewer/client/EhRequestBuilder.kt b/app/src/main/java/com/hippo/ehviewer/client/EhRequestBuilder.kt
index 2f4c0c023..fcc76c494 100644
--- a/app/src/main/java/com/hippo/ehviewer/client/EhRequestBuilder.kt
+++ b/app/src/main/java/com/hippo/ehviewer/client/EhRequestBuilder.kt
@@ -22,6 +22,7 @@ import okhttp3.MediaType.Companion.toMediaType
 import okhttp3.MultipartBody
 import okhttp3.Request
 import okhttp3.RequestBody.Companion.toRequestBody
+import org.json.JSONArray
 import org.json.JSONObject
 
 inline fun ehRequest(url: String, referer: String? = null, origin: String? = null, builder: Request.Builder.() -> Unit = {}) = Request.Builder().url(url).apply {
@@ -38,6 +39,10 @@ inline fun Request.Builder.multipart(builder: MultipartBody.Builder.() -> Unit)
 
 val MEDIA_TYPE_JSON: MediaType = "application/json; charset=utf-8".toMediaType()
 
+inline fun JSONObject.array(name: String, builder: JSONArray.() -> Unit): JSONObject = put(name, JSONArray().apply(builder))
+
+inline fun JSONArray.array(builder: JSONArray.() -> Unit): JSONArray = put(JSONArray().apply(builder))
+
 inline fun Request.Builder.jsonBody(builder: JSONObject.() -> Unit) = post(JSONObject().apply(builder).toString().toRequestBody(MEDIA_TYPE_JSON))
 
 fun HttpMessageBuilder.referer(value: String?): Unit = value?.let { headers.append("Referer", it) } ?: Unit