diff --git a/app/build.gradle b/app/build.gradle
index 28c0f16..ba53863 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -20,7 +20,7 @@ android {
         ]
         buildConfigField("String", "APP_Name", "\"" + apps.applicationName + "\"")
 
-        buildConfigField("String", "SPEECH_DOMAIN",  "\"api-test.rokid.com\"")
+        buildConfigField("String", "SPEECH_DOMAIN",  "\"172.16.26.73:16443\"")
         buildConfigField("String", "SPEECH_AK",      "\"94c535874d7147dd81f7657ddd0cb1b0\"")
         buildConfigField("String", "SPEECH_SK",      "\"ewKSoNvn8mP2W93kmnzWAT5iVPsmKnMD\"")
         buildConfigField("String", "SPEECH_UID",     "\"demo-user\"")
diff --git a/gradle.properties b/gradle.properties
index 809d3a5..d61e14f 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -21,7 +21,7 @@ android.enableJetifier=true
 kotlin.code.style=official
 
 # Demo-Android defaults (test environment)
-online.demo.domain=api-test.rokid.com
+online.demo.domain=172.16.26.73:16443
 online.demo.ak=94c535874d7147dd81f7657ddd0cb1b0
 online.demo.sk=ewKSoNvn8mP2W93kmnzWAT5iVPsmKnMD
 online.demo.uid=demo-user