diff --git a/app/build.gradle b/app/build.gradle
index 35eef07..c0a409a 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -9,7 +9,7 @@ plugins {
 // 避免不同尺寸機台間版本號產生衝突。
 // =========================================================================
 def verMinor = 1
-def verPatch = 37
+def verPatch = 38
 
 
 android {
diff --git a/app/src/main/java/com/unibuy/smartdevice/tools/OtaManager.java b/app/src/main/java/com/unibuy/smartdevice/tools/OtaManager.java
index a6c19d2..f40d825 100644
--- a/app/src/main/java/com/unibuy/smartdevice/tools/OtaManager.java
+++ b/app/src/main/java/com/unibuy/smartdevice/tools/OtaManager.java
@@ -108,10 +108,10 @@ public class OtaManager {
         Process process = null;
         DataOutputStream os = null;
         try {
-            logs.info("Executing silent install command via su: pm install -r " + apkPath);
+            logs.info("Executing silent install command via su: pm install -r -d " + apkPath);
             process = Runtime.getRuntime().exec("su");
             os = new DataOutputStream(process.getOutputStream());
-            os.writeBytes("pm install -r " + apkPath + "\n");
+            os.writeBytes("pm install -r -d " + apkPath + "\n");
             os.writeBytes("exit\n");
             os.flush();