diff --git a/app/build.gradle b/app/build.gradle
index 8c1bd3d0..ea990a40 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -95,7 +95,7 @@ android {
                 }
                 def abi = output.getFilter(com.android.build.OutputFile.ABI)
                 if (abi == null) abi = "all"
-                def fileName = "NX_v${defaultConfig.versionName}_${buildTypeFlag}_${new Date(System.currentTimeMillis()).format("yyyyMMdd")}_${abi}.apk"
+                def fileName = "NX_mpapp_v${defaultConfig.versionName}_${buildTypeFlag}_${new Date(System.currentTimeMillis()).format("yyyyMMdd")}_${abi}.apk"
                 outputFileName = fileName
             }
         }
diff --git a/mpmaster/build.gradle b/mpmaster/build.gradle
index 8262f8f6..9d2191b7 100644
--- a/mpmaster/build.gradle
+++ b/mpmaster/build.gradle
@@ -68,7 +68,7 @@ android {
                 if(variant.buildType.name.equals('release')) {
                     buildTypeFlag = "rel"
                 }
-                def fileName = "MpMaster_v${defaultConfig.versionName}_${buildTypeFlag}_${new Date(System.currentTimeMillis()).format("yyyyMMdd")}.apk"
+                def fileName = "NX_MpMaster_v${defaultConfig.versionName}_${buildTypeFlag}_${new Date(System.currentTimeMillis()).format("yyyyMMdd")}.apk"
                 outputFileName = fileName
             }
         }