diff --git a/build.gradle b/build.gradle
index 3d31975c6251641322fb7c5cb5cb5ccb9a945f4c..7b31499676a2bda97e22d296f10208da78cdb1fc 100644
--- a/build.gradle
+++ b/build.gradle
@@ -40,6 +40,8 @@ final assetsDirName = "assets"
 final assetsSourceDirName = "src"
 final assetsDestinationDirName = "dest"
 
+final assetsHdDirName = "hd"
+
 final assetsGameDirectory = "game"
 final assetsGameGlobalDirectory = "_global"
 final assetsGameCommonDifficultyDirectory = "common"
@@ -58,7 +60,7 @@ ext {
 
 
     assetsPackDir = new File("${rootProject.buildDir}/${assetsDirName}/pack/")
-    assetsHdPackDir = new File("${rootProject.buildDir}/${assetsDirName}/hd/pack/")
+    assetsHdPackDir = new File("${rootProject.buildDir}/${assetsDirName}/${assetsHdDirName}/pack/")
 }
 
 allprojects {
@@ -206,11 +208,11 @@ task copyDefaulAssets(){
 
 task prepareHdAssets(dependsOn: [prepareAssets, prepareSoundAssets, prepareJsonAssets]) {
     def sourceDir = new File("${buildDir}/${assetsDirName}/src/")
-    def hdSourceDir = new File(project(":desktop").projectDir.absolutePath + "/${assetsDirName}/" + "hd/")
+    def hdSourceDir = new File(project(":desktop").projectDir.absolutePath + "/${assetsDirName}/${assetsHdDirName}")
 
 
     inputs.dir(sourceDir.absolutePath)
-    outputs.dir("${buildDir}/${assetsDirName}/" + "hd/" + "${assetsSourceDirName}/")
+    outputs.dir("${buildDir}/${assetsDirName}/${assetsHdDirName}/${assetsSourceDirName}/")
     outputs.upToDateWhen { false }
 
     doLast {
@@ -219,7 +221,7 @@ task prepareHdAssets(dependsOn: [prepareAssets, prepareSoundAssets, prepareJsonA
 
             task("copyingDefaultDest", type: Copy) {
                 from buildDir.absolutePath + "/${assetsDirName}/${assetsDestinationDirName}/"
-                into buildDir.absolutePath + "/${assetsDirName}/hd/dest/"
+                into buildDir.absolutePath + "/${assetsDirName}/${assetsHdDirName}/${assetsDestinationDirName}/"
             }.execute()
 
 
@@ -227,7 +229,7 @@ task prepareHdAssets(dependsOn: [prepareAssets, prepareSoundAssets, prepareJsonA
 
                 if (!dir.name.equals('common')) {
                     String dirName = dir.getName()
-                    String destDir = "${buildDir}/${assetsDirName}/" + "hd/" + "${assetsSourceDirName}/${dirName}"
+                    String destDir = "${buildDir}/${assetsDirName}/${assetsHdDirName}/${assetsSourceDirName}/${dirName}"
                     task("${name}_${dirName}", type: Copy) {
                         from dir.absolutePath
                         from hdSourceDir.absolutePath + "/common"
@@ -324,10 +326,10 @@ task zipAssets(dependsOn: [prepareSoundAssets, prepareGraphicAssets, prepareJson
 }
 
 task prepareHdGraphicAssets(dependsOn: prepareHdAssets) {
-    def assetsDir = new File("${buildDir}/${assetsDirName}/" + "hd/")
+    def assetsDir = new File("${buildDir}/${assetsDirName}/${assetsHdDirName}/")
 
-    inputs.dir("${assetsDir.absolutePath}/"+"hd/"+"${assetsSourceDirName}/")
-    outputs.dir("${assetsDir.absolutePath}/"+"hd/"+"${assetsDestinationDirName}/")
+    inputs.dir("${assetsDir.absolutePath}/${assetsHdDirName}/${assetsSourceDirName}/")
+    outputs.dir("${assetsDir.absolutePath}/${assetsHdDirName}/${assetsDestinationDirName}/")
     outputs.upToDateWhen { false }
 
     doLast {
@@ -356,7 +358,7 @@ task prepareHdGraphicAssets(dependsOn: prepareHdAssets) {
                                     } else {
                                         task("${name}_" + sectionDir.name + "_" + langDir.name + "_" + atlasDir.name + "_" + difficultyDir.name, type: Copy) {
                                             from difficultyDir
-                                            into "${buildDir}/${assetsDirName}/" + "hd/" + "${assetsDestinationDirName}/${langDir.name}/${sectionDir.name}/${atlasDir.name}/${difficultyDir.name}"
+                                            into "${buildDir}/${assetsDirName}/${assetsHdDirName}/${assetsDestinationDirName}/${langDir.name}/${sectionDir.name}/${atlasDir.name}/${difficultyDir.name}"
                                             include '**/*'
                                             includeEmptyDirs false
                                             outputs.upToDateWhen { false }
@@ -373,7 +375,7 @@ task prepareHdGraphicAssets(dependsOn: prepareHdAssets) {
                     } else {
                         task("${name}_" + sectionDir.name + "_" + langDir.name, type: Copy) {
                             from sectionDir
-                            into "${buildDir}/${assetsDirName}/" + "hd/" + "${assetsDestinationDirName}/${langDir.name}/${sectionDir.name}"
+                            into "${buildDir}/${assetsDirName}/${assetsHdDirName}/${assetsDestinationDirName}/${langDir.name}/${sectionDir.name}"
                             include '**/*'
                             includeEmptyDirs false
                             outputs.upToDateWhen { false }
@@ -391,8 +393,8 @@ task zipHdAssets(dependsOn: prepareHdGraphicAssets) {
 
     def assetsDir = new File("${buildDir}/${assetsDirName}/")
 
-    inputs.dir("${assetsDir.absolutePath}/"+"hd/"+"${assetsSourceDirName}/")
-    outputs.dir("${assetsDir.absolutePath}/"+"hd/"+"${assetsDestinationDirName}/")
+    inputs.dir("${assetsDir.absolutePath}/${assetsHdDirName}/${assetsSourceDirName}/")
+    outputs.dir("${assetsDir.absolutePath}/${assetsHdDirName}/${assetsDestinationDirName}/")
     outputs.upToDateWhen { false }
 
     doLast {
@@ -403,7 +405,7 @@ task zipHdAssets(dependsOn: prepareHdGraphicAssets) {
                     task("${name}_${dir.name}", type: Zip) {
                         archiveName = dir.getName() + "_SNAPSHOT_HD.zip"
                         destinationDir = rootProject.ext.assetsHdPackDir
-                        from "${buildDir}/${assetsDirName}/" + "hd/" + "${assetsDestinationDirName}/${dir.name}"
+                        from "${buildDir}/${assetsDirName}/${assetsHdDirName}/${assetsDestinationDirName}/${dir.name}"
                     }.execute()
                 }
             }