diff --git a/HMCLCore/src/main/kotlin/org/jackhuang/hmcl/game/DefaultGameRepository.kt b/HMCLCore/src/main/kotlin/org/jackhuang/hmcl/game/DefaultGameRepository.kt
index 1ef78ebe8..740ee1afa 100644
--- a/HMCLCore/src/main/kotlin/org/jackhuang/hmcl/game/DefaultGameRepository.kt
+++ b/HMCLCore/src/main/kotlin/org/jackhuang/hmcl/game/DefaultGameRepository.kt
@@ -165,7 +165,7 @@ open class DefaultGameRepository(var baseDirectory: File): GameRepository {
     @Throws(IOException::class)
     override fun getAssetObject(version: String, assetId: String, name: String): File {
         try {
-            return getAssetObject(version, assetId, getAssetIndex(version, assetId).objects["name"]!!)
+            return getAssetObject(version, assetId, getAssetIndex(version, assetId).objects[name]!!)
         } catch (e: Exception) {
             throw IOException("Asset index file malformed", e)
         }