diff --git a/mpmaster/build.gradle b/mpmaster/build.gradle
index 4d6cfa15..3585864a 100644
--- a/mpmaster/build.gradle
+++ b/mpmaster/build.gradle
@@ -4,7 +4,7 @@ plugins {
 
 def AppMajorVersion = 1
 def AppMinorVersion = 0
-def AppBuildNumber = 3
+def AppBuildNumber = 4
 
 def AppVersionName = AppMajorVersion + "." + AppMinorVersion + "." + AppBuildNumber
 def AppVersionCode = AppMajorVersion * 100000 + AppMinorVersion * 1000 + AppBuildNumber
@@ -38,6 +38,22 @@ android {
     buildFeatures {
         viewBinding true
     }
+
+    signingConfigs {
+        release{
+            storeFile file('../sign.jks')
+            storePassword 'XyMpApp'
+            keyAlias 'xymp'
+            keyPassword 'XyMpApp'
+        }
+        debug{
+            storeFile file('../sign.jks')
+            storePassword 'XyMpApp'
+            keyAlias 'xymp'
+            keyPassword 'XyMpApp'
+        }
+    }
+
 }
 
 dependencies {