diff --git a/src/api/acts/admin.ts b/src/api/acts/admin.ts
index 89011e1..06be2b9 100644
--- a/src/api/acts/admin.ts
+++ b/src/api/acts/admin.ts
@@ -143,9 +143,10 @@ export const addOTA: Act = {
     },
     func: async (client: Client, data: any, aws: (code: string, data: any) => void) => {
         try {
-            await insert(signupOTA.token, signupOTA.expires, signupOTA.usesLeft)
+            let resp = await insert(signupOTA.token, signupOTA.expires, signupOTA.usesLeft)
                 .add(data.token, data.expires, data.usesLeft)
                 .query(db);
+            if(resp.affectedRows == 0) throw new Error("insertion fail");
         } catch (error) {
             await update(signupOTA)
                 .set(signupOTA.expires, data.expires)
diff --git a/src/api/acts/rooms.ts b/src/api/acts/rooms.ts
index 70f9e84..9d1bd47 100644
--- a/src/api/acts/rooms.ts
+++ b/src/api/acts/rooms.ts
@@ -384,9 +384,10 @@ export const addRoomOTA: Act = { // or change it, primary key is room and token
         let roomID = await client.isRoomAdmin(data.room, ROOM_RIGHTS.OTA);
         if (roomID == -1) return void aws("error", "roomAdmin");
         try {
-            await insert(roomOTAs.roomID, roomOTAs.token, roomOTAs.name, roomOTAs.expires, roomOTAs.usesLeft)
+            let resp = await insert(roomOTAs.roomID, roomOTAs.token, roomOTAs.name, roomOTAs.expires, roomOTAs.usesLeft)
                 .add(roomID, data.token, data.name, data.expires, data.usesLeft)
                 .query(db);
+            if (resp.affectedRows == 0) throw new Error("insertion fail");
         } catch (error) {
             await update(roomOTAs)
                 .set(roomOTAs.expires, data.expires)
diff --git a/src/sys/settings.ts b/src/sys/settings.ts
index 62f54c3..dc11a6e 100644
--- a/src/sys/settings.ts
+++ b/src/sys/settings.ts
@@ -19,9 +19,10 @@ export const getSettings = async (type: string) => {
 
 export const setSettings = async (type: string, data: string) => {
     try {
-        await insert(settings.type, settings.data)
+        let resp = await insert(settings.type, settings.data)
             .add(type, data)
             .query(db);
+        if (resp.affectedRows == 0) throw new Error("insertion fail");
     } catch (error) {
         await update(settings)
             .set(settings.data, data)