diff --git a/assets/kms-keys.json b/assets/kms-keys.json
deleted file mode 100644
index 3219dde..0000000
--- a/assets/kms-keys.json
+++ /dev/null
@@ -1,112 +0,0 @@
-{
-  "win": {
-    "Windows 7": {
-      "Windows 7 专业版": "FJ82H-XT6CR-J8D7P-XQJJ2-GPDD4",
-      "Windows 7 专业版 N": "MRPKT-YTG23-K7D7T-X2JMM-QY7MG",
-      "Windows 7 专业版 E": "W82YF-2Q76Y-63HXB-FGJG9-GF7QX",
-      "Windows 7 企业版": "33PXH-7Y6KF-2VJC9-XBBR8-HVTHH",
-      "Windows 7 企业版 N": "YDRBP-3D83W-TY26F-D46B2-XCKRJ",
-      "Windows 7 企业版 E": "C29WB-22CC8-VJ326-GHFJW-H9DH4"
-    },
-    "Windows 8":  {
-      "Windows 8 专业版": "NG4HW-VH26C-733KW-K6F98-J8CK4",
-      "Windows 8 专业版 N": "XCVCF-2NXM9-723PB-MHCB7-2RYQQ",
-      "Windows 8 企业版": "32JNW-9KQ84-P47T8-D8GGY-CWCK7",
-      "Windows 8 企业版 N": "JMNMF-RHW7P-DMY6X-RF3DR-X2BQT"
-    },
-    "Windows 8.1": {
-      "Windows 8.1 专业版": "GCRJD-8NW9H-F2CDX-CCM8D-9D6T9",
-      "Windows 8.1 专业版 N": "HMCNV-VVBFX-7HMBH-CTY9B-B4FXY",
-      "Windows 8.1 企业版": "MHF9N-XY6XB-WVXMC-BTDCT-MKKG7",
-      "Windows 8.1 企业版 N": "TT4HM-HN7YT-62K67-RGRQJ-JFFXW"
-    },
-    "Windows 10 / 11":  {
-      "Windows 10 / 11 专业版": "W269N-WFGWX-YVC9B-4J6C9-T83GX",
-      "Windows 10 / 11 专业版 N": "MH37W-N47XK-V7XM9-C7227-GCQG9",
-      "Windows 10 / 11 专业工作站版": "NRG8B-VKK3Q-CXVCJ-9G2XF-6Q84J",
-      "Windows 10 / 11 专业工作站版 N": "9FNHH-K3HBT-3W4TD-6383H-6XYWF",
-      "Windows 10 / 11 专业教育版": "6TP4R-GNPTD-KYYHQ-7B7DP-J447Y",
-      "Windows 10 / 11 专业教育版 N": "YVWGF-BXNMC-HTQYQ-CPQ99-66QFC",
-      "Windows 10 / 11 教育版": "NW6C2-QMPVW-D7KKK-3GKT6-VCFB2",
-      "Windows 10 / 11 教育版 N": "2WH4N-8QGBV-H22JP-CT43Q-MDWWJ",
-      "Windows 10 / 11 企业版": "NPPR9-FWDCX-D2C8J-H872K-2YT43",
-      "Windows 10 / 11 企业版 N": "DPH2V-TTNVB-4X9Q3-TJR4H-KHJW4",
-      "Windows 10 / 11 企业版 G": "YYVX9-NTFWV-6MDM3-9PT4T-4M68B",
-      "Windows 10 / 11 企业版 G N": "44RPN-FTY23-9VTTB-MP9BX-T84FV"
-    },
-    "Windows 10 LTSB 2015": {
-      "Windows 10 企业版 2015 LTSB": "WNMTR-4C88C-JK8YV-HQ7T2-76DF9",
-      "Windows 10 企业版 2015 LTSB N": "2F77B-TNFGY-69QQF-B8YKP-D69TJ"
-    },
-    "Windows 10 LTSB 2016":  {
-      "Windows 10 企业版 LTSB 2016": "DCPHK-NFMTC-H88MJ-PFHPY-QJ4BJ",
-      "Windows 10 企业版 N LTSB 2016": "QFFDN-GRT3P-VKWWX-X7T3R-8B639"
-    },
-    "Windows 10 LTSC 2019 / 2021": {
-      "Windows 10 企业版 LTSC 2019 / 2021": "M7XTQ-FN8P6-TTKYV-9D4CC-J462D",
-      "Windows 10 企业版 N LTSC 2019 / 2021": "92NFX-8DJQP-P6BBQ-THF9C-7CG2H"
-    }
-  },
-  "win-server": {
-    "Windows 2008 Server": {
-      "Windows Web Server 2008": "WYR28-R7TFJ-3X2YQ-YCY4H-M249D",
-      "Windows Server 2008 标准版": "TM24T-X9RMF-VWXK6-X8JC9-BFGM2",
-      "不带 Hyper-V 的 Windows Server 2008 标准版": "W7VD6-7JFBR-RX26B-YKQ3Y-6FFFJ",
-      "Windows Server 2008 企业版": "YQGMW-MPWTJ-34KDK-48M3W-X4Q6V",
-      "不带 Hyper-V 的 Windows Server 2008 企业版": "39BXF-X8Q23-P2WWT-38T2F-G3FPG",
-      "Windows Server 2008 HPC": "RCTX3-KWVHP-BR6TB-RB6DM-6X7HP",
-      "Windows Server 2008 Datacenter": "7M67G-PC374-GR742-YH8V4-TCBY3",
-      "不带 Hyper-V 的 Windows Server 2008 数据中心版": "22XQ2-VRXRG-P8D42-K34TD-G3QQC",
-      "面向基于 Itanium 系统的 Windows Server 2008": "4DWFP-JF3DJ-B7DTH-78FJB-PDRHK"
-    },
-    "Windows Server 2008 R2": {
-      "Windows Server 2008 R2 Web 版": "6TPJF-RBVHG-WBW2R-86QPH-6RTM4",
-      "Windows Server 2008 R2 HPC 版": "TT8MH-CG224-D3D7Q-498W2-9QCTX",
-      "Windows Server 2008 R2 标准版": "YC6KT-GKW9T-YTKYR-T4X34-R7VHC",
-      "Windows Server 2008 R2 企业版": "489J6-VHDMP-X63PK-3K798-CPX3Y",
-      "Windows Server 2008 R2 Datacenter": "74YFP-3QFB3-KQT8W-PMXWJ-7M648",
-      "面向基于 Itanium 系统的 Windows Server 2008 R2": "GT63C-RJFQ3-4GMB6-BRFB9-CB83V"
-    },
-    "Windows Server 2012": {
-      "Windows Server 2012": "BN3D2-R7TKB-3YPBD-8DRP2-27GG4",
-      "Windows Server 2012 N": "8N2M2-HWPGY-7PGT9-HGDD8-GVGGY",
-      "Windows Server 2012 单语言版": "2WN2H-YGCQR-KFX6K-CD6TF-84YXQ",
-      "Windows Server 2012 特定国家/地区版": "4K36P-JN4VD-GDC6V-KDT89-DYFKP",
-      "Windows Server 2012 Server 标准版": "XC9B7-NBPP2-83J2H-RHMBY-92BT4",
-      "Windows Server 2012 MultiPoint 标准版": "HM7DN-YVMH3-46JC3-XYTG7-CYQJJ",
-      "Windows Server 2012 MultiPoint 高级版": "XNH6W-2V9GX-RGJ4K-Y8X6F-QGJ2G",
-      "Windows Server 2012 Datacenter": "48HP8-DN98B-MYWDG-T2DCC-8W83P"
-    },
-    "Windows Server 2012 R2": {
-      "Windows Server 2012 R2 Server Standard": "D2N9P-3P6X9-2R39C-7RTCD-MDVJX",
-      "Windows Server 2012 R2 Datacenter": "W3GGN-FT8W3-Y4M27-J84CP-Q3VJ9",
-      "Windows Server 2012 R2 Essentials": "KNC87-3J2TX-XB4WP-VCPJV-M4FWM"
-    },
-    "Windows Server 2016": {
-      "Windows Server 2016 Datacenter": "CB7KF-BWN84-R7R2Y-793K2-8XDDG",
-      "Windows Server 2016 Standard": "WC2BQ-8NRM3-FDDYY-2BFGV-KHKQY",
-      "Windows Server 2016 Essentials": "JCKRF-N37P4-C2D82-9YXRT-4M63B"
-    },
-    "Windows Server 2019": {
-      "Windows Server 2019 Datacenter": "WMDGN-G9PQG-XVVXX-R3X43-63DFG",
-      "Windows Server 2019 Standard": "N69G4-B89J2-4G8F4-WWYCC-J464C",
-      "Windows Server 2019 Essentials": "WVDHN-86M7X-466P6-VHXV7-YY726"
-    },
-    "Windows Server 2022": {
-      "Windows Server 2022 Datacenter": "WX4NM-KYWYW-QJJR4-XV3QB-6VM33",
-      "Windows Server 2022 Standard": "VDYBN-27WPP-V4HQT-9VMD4-VMK7H"
-    },
-    "Windows Server 版本 1709": {
-      "Windows Server Datacenter": "6Y6KB-N82V8-D8CQV-23MJW-BWTG6",
-      "Windows Server Standard": "DPCNP-XQFKJ-BJF7R-FRC8D-GF6G4"
-    },
-    "Windows Server 版本 1803": {
-      "Windows Server Datacenter": "2HXDN-KRXHB-GPYC7-YCKFJ-7FVDG",
-      "Windows Server Standard": "PTXN8-JFHJM-4WC78-MPCBR-9W4KR"
-    },
-    "Windows Server 版本 1809、1903、1909、2004、20H2": {
-      "Windows Server Datacenter": "6NMRW-2C8FM-D24W7-TQWMY-CWH2D",
-      "Windows Server Standard": "N2KJX-J94YW-TQVFB-DG9YT-724CC"
-    }
-  }
-}
diff --git a/assets/ospp.json b/assets/ospp.json
deleted file mode 100644
index 370511c..0000000
--- a/assets/ospp.json
+++ /dev/null
@@ -1,50 +0,0 @@
-{
-  "key": {
-    "2010": ["Office14", "VYBBJ-TRJPB-QFQRF-QFT4D-H3GVB"],
-    "2013": ["Office15", "YC7DK-G2NP3-2QQC3-J6H88-GVGXT"],
-    "2016": ["Office16", "XQNVK-8JYDB-WJ9W3-YJ8YR-WFG99"],
-    "2019": ["Office16", "NMMKJ-6RK4F-KMJVX-8D9MJ-6MWKP"]
-  },
-  "command": {
-    "/dstatus": {
-      "en-us": "Display license information for installed product keys.",
-      "zh-cn": "显示当前已安装产品密钥的许可证信息",
-      "zh-tw": "顯示當前已安裝產品密鑰的許可證信息"
-    },
-    "/dstatusall": {
-      "en-us": "Display license information for installed licenses.",
-      "zh-cn": "显示当前已安装的所有许可证信息",
-      "zh-tw": "顯示當前已安裝的所有許可證信息"
-    },
-    "/unpkey:XXXXX": {
-      "en-us": "Uninstall a product key with the last five digits of it.",
-      "zh-cn": "卸载已安装的产品密钥（最后5位）",
-      "zh-tw": "卸載已安裝的產品密鑰（最後5位）"
-    },
-    "/inpkey:XXXXX-XXXXX-XXXXX-XXXXX-XXXXX": {
-      "en-us": "Install a product key with user-provided product key.",
-      "zh-cn": "安装产品密钥",
-      "zh-tw": "安裝產品密鑰"
-    },
-    "/sethst:@HOST@": {
-      "en-us": "Set a KMS host name with user-provided host name.",
-      "zh-cn": "设置 KMS 主机名",
-      "zh-tw": "設置 KMS 主機名"
-    },
-    "/setprt:@PORT@": {
-      "en-us": "Set a KMS port with user-provided port number.",
-      "zh-cn": "设置 KMS 主机端口",
-      "zh-tw": "設置 KMS 主機端口"
-    },
-    "/remhst": {
-      "en-us": "Remove KMS host name and sets port to default.",
-      "zh-cn": "删除 KMS 主机名",
-      "zh-tw": "刪除 KMS 主機名"
-    },
-    "/act": {
-      "en-us": "Activate installed Office product keys.",
-      "zh-cn": "激活 Office",
-      "zh-tw": "激活 Office"
-    }
-  }
-}
diff --git a/ospp/keys.json b/ospp/keys.json
new file mode 100644
index 0000000..2985611
--- /dev/null
+++ b/ospp/keys.json
@@ -0,0 +1,7 @@
+{
+  "Office 2010": ["Office14", "VYBBJ-TRJPB-QFQRF-QFT4D-H3GVB"],
+  "Office 2013": ["Office15", "YC7DK-G2NP3-2QQC3-J6H88-GVGXT"],
+  "Office 2016": ["Office16", "XQNVK-8JYDB-WJ9W3-YJ8YR-WFG99"],
+  "Office 2019": ["Office16", "NMMKJ-6RK4F-KMJVX-8D9MJ-6MWKP"],
+  "Office LTSC 2021": ["Office16", "HFPBN-RYGG8-HQWCW-26CH6-PDPVF"]
+}
diff --git a/ospp/options.json b/ospp/options.json
new file mode 100644
index 0000000..fe979e2
--- /dev/null
+++ b/ospp/options.json
@@ -0,0 +1,42 @@
+{
+  "/dstatus": {
+    "en-us": "Display license information for installed product keys.",
+    "zh-cn": "显示当前已安装产品密钥的许可证信息",
+    "zh-tw": "顯示當前已安裝產品密鑰的許可證信息"
+  },
+  "/dstatusall": {
+    "en-us": "Display license information for installed licenses.",
+    "zh-cn": "显示当前已安装的所有许可证信息",
+    "zh-tw": "顯示當前已安裝的所有許可證信息"
+  },
+  "/unpkey:XXXXX": {
+    "en-us": "Uninstall a product key with the last five digits of it.",
+    "zh-cn": "卸载已安装的产品密钥（最后5位）",
+    "zh-tw": "卸載已安裝的產品密鑰（最後5位）"
+  },
+  "/inpkey:XXXXX-XXXXX-XXXXX-XXXXX-XXXXX": {
+    "en-us": "Install a product key with user-provided product key.",
+    "zh-cn": "安装产品密钥",
+    "zh-tw": "安裝產品密鑰"
+  },
+  "/sethst:@HOST@": {
+    "en-us": "Set a KMS host name with user-provided host name.",
+    "zh-cn": "设置 KMS 主机名",
+    "zh-tw": "設置 KMS 主機名"
+  },
+  "/setprt:@PORT@": {
+    "en-us": "Set a KMS port with user-provided port number.",
+    "zh-cn": "设置 KMS 主机端口",
+    "zh-tw": "設置 KMS 主機端口"
+  },
+  "/remhst": {
+    "en-us": "Remove KMS host name and sets port to default.",
+    "zh-cn": "删除 KMS 主机名",
+    "zh-tw": "刪除 KMS 主機名"
+  },
+  "/act": {
+    "en-us": "Activate installed Office product keys.",
+    "zh-cn": "激活 Office",
+    "zh-tw": "激活 Office"
+  }
+}
diff --git a/web/utils.php b/web/utils.php
index 8357c5e..d2e90dc 100644
--- a/web/utils.php
+++ b/web/utils.php
@@ -1,5 +1,8 @@
 <?php
 
+$GVLK_ASSET = '../assets/gvlk.json';
+$OSPP_ASSET = '../assets/ospp.json';
+
 function isIPv4(string $ip): bool {
     return filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4);
 }
@@ -22,12 +25,12 @@ function stringGen(int $length, string $fillStr = ' '): string { // generate a s
 }
 
 function loadGvlks(bool $isWinServer = false): array { // load kms client keys from assets
-    $assetPath = '../assets/gvlk/' . getLang() . '.json';
-    $gvlkData = json_decode(file_get_contents($assetPath), true);
+    global $GVLK_ASSET;
+    $gvlkData = json_decode(file_get_contents($GVLK_ASSET), true)[getLang()];
     return $isWinServer ? $gvlkData['win-server'] : $gvlkData['win'];
 }
 
-function loadOsppData(): array {
-    $osppPath = '../assets/ospp.json';
-    return json_decode(file_get_contents($osppPath), true);
+function loadOsppData(): array { // load office ospp data
+    global $OSPP_ASSET;
+    return json_decode(file_get_contents($OSPP_ASSET), true);
 }