diff --git a/metadata/org.jsl.wfwt.txt b/metadata/org.jsl.wfwt.txt
index 8da8cdecca..05c266d42b 100644
--- a/metadata/org.jsl.wfwt.txt
+++ b/metadata/org.jsl.wfwt.txt
@@ -35,6 +35,7 @@ Build:1.4,5
 Build:1.5,6
     commit=df3971e3b43f7fbf0baad08dadc2c95552194d16
     gradle=yes
+    prebuild=sed -i -e '/versionCode/d' -e '/versionName/d' -e '/buildToolsVersion/acompileOptions {\nsourceCompatibility = JavaVersion.VERSION_1_7\ntargetCompatibility = JavaVersion.VERSION_1_7\n}\n' build.gradle
 
 Auto Update Mode:None
 Update Check Mode:RepoManifest