diff --git a/android-interact.sh b/android-interact.sh
index 4704c55..c1b31cb 100755
--- a/android-interact.sh
+++ b/android-interact.sh
@@ -1,9 +1,9 @@
 #!/bin/bash -e
 # File: android-interact.sh
-# Date: Thu Dec 25 00:25:07 2014 +0800
+# Date: Thu Dec 25 23:26:56 2014 +0800
 # Author: Yuxin Wu <ppwwyyxxc@gmail.com>
 
-# Please check that your path is the same, since this might be differnt on devices
+# Please check that your path is the same, since this might be different among devices
 RES_DIR="/mnt/sdcard/tencent/MicroMsg"
 MM_DIR="/data/data/com.tencent.mm"
 
@@ -43,17 +43,16 @@ elif [[ $1 == "db" || $1 == "res" ]]; then
 		echo "Pulling resources... this might take a long time..."
 		mkdir resource
 		cd resource
-		adb pull $RES_DIR/$chooseUser/image2
-		adb pull $RES_DIR/$chooseUser/voice2
-		adb pull $RES_DIR/$chooseUser/emoji
-		adb pull $RES_DIR/$chooseUser/avatar
-		[[ -d image2 && -d voice2 && -d emoji && -d avatar ]] && {
-			echo "Resource pulled."
-			echo "Total size: $(du -sh $chooseUser | cut -f1)"
-		} || {
-			echo "Failed to download resource directory: $RES_DIR/$chooseUser"
-			exit 1
-		}
+		for d in image2 voice2 emoji avatar; do
+			adb pull $RES_DIR/$chooseUser/$d
+			[[ -d $d ]] || {
+				echo "Failed to download resource directory: $RES_DIR/$chooseUser/$d"
+				exit 1
+			}
+		done
+		cd ..
+		echo "Resource pulled at ./resource"
+		echo "Total size: $(du -sh resource | cut -f1)"
 	else
 		echo "Pulling database file..."
 		adb pull $MM_DIR/MicroMsg/$chooseUser/EnMicroMsg.db
diff --git a/decrypt_db.sh b/decrypt_db.sh
index 6b27b0e..c03e7f1 100755
--- a/decrypt_db.sh
+++ b/decrypt_db.sh
@@ -1,11 +1,12 @@
 #!/bin/bash -e
 # File: decrypt_db.sh
-# Date: Thu Dec 25 00:30:10 2014 +0800
+# Date: Fri Dec 26 00:16:12 2014 +0800
 # Author: Yuxin Wu <ppwwyyxxc@gmail.com>
 
-MMSGDB=$1
+MSGDB=$1
 imei=$2
 uin=$3
+output=decoded.db
 
 if [[ -z "$1" || -z "$2" || -z "$3" ]]; then
 	echo "Usage: $0 <path to EnMicroMsg.db> <imei> <uin>"
@@ -15,11 +16,21 @@ fi
 KEY=$(echo -n "$imei$uin" | md5sum | cut -b 1-7)
 echo "KEY: $KEY"
 
-export LD_LIBRARY_PATH=./lib
-./lib/sqlcipher $MMSGDB << EOF
+uname -m | grep x86_64 > /dev/null || version=32bit && version=64bit
+echo "Use $version sqlcipher."
+
+echo "Dump decoded database... "
+echo "Don't worry about libcrypt.so version warning."
+
+
+SQLCIPHER=./sqlcipher/$version
+export LD_LIBRARY_PATH=$SQLCIPHER
+$SQLCIPHER/sqlcipher $MSGDB << EOF
 PRAGMA key='$KEY';
 PRAGMA cipher_use_hmac = off;
-ATTACH DATABASE "decoded_database.db" AS decoded_db KEY "";
-SELECT sqlcipher_export("decoded_db");
-DETACH DATABASE decoded_db;
+ATTACH DATABASE "$output" AS db KEY "";
+SELECT sqlcipher_export("db");
+DETACH DATABASE db;
 EOF
+
+echo "Database dumped to $output"
diff --git a/lib/sqlcipher b/lib/sqlcipher
deleted file mode 100755
index 4f3b3d4..0000000
Binary files a/lib/sqlcipher and /dev/null differ