diff --git a/src/front/static/ts/main.ts b/src/front/static/ts/main.ts
index 6299759..5fee606 100644
--- a/src/front/static/ts/main.ts
+++ b/src/front/static/ts/main.ts
@@ -170,5 +170,5 @@ async function startMenuPP() {
 	}
 }
 
-setInterval(startMenuPP, 3000);
+setInterval(startMenuPP, 5000);
 startMenuPP();
diff --git a/src/front/static/ts/views/LoginPage.ts b/src/front/static/ts/views/LoginPage.ts
index eaf49ca..262ebf7 100644
--- a/src/front/static/ts/views/LoginPage.ts
+++ b/src/front/static/ts/views/LoginPage.ts
@@ -93,7 +93,7 @@ export default class extends Aview {
 					// throw new Error("invalid response");
 				}
 			} catch (error) {
-				console.error(error);
+				console.log(error);
 			}
 		}
 
@@ -186,7 +186,7 @@ export default class extends Aview {
 			}
 			catch (error)
 			{
-				console.error(error);
+				console.log(error);
 				document.getElementById("login-error-message").innerHTML = "error: server error, try again later...";
 				document.getElementById("login-error-message").classList.remove("hidden");
 			}
diff --git a/src/front/static/ts/views/Profile.ts b/src/front/static/ts/views/Profile.ts
index 25258ab..48f6ea8 100644
--- a/src/front/static/ts/views/Profile.ts
+++ b/src/front/static/ts/views/Profile.ts
@@ -54,7 +54,7 @@ export default class extends Aview {
       credentials: "include",
     });
     if (userdata_req.status == 404) {
-      console.error("invalid user");
+      console.log("invalid user");
       return;
     }
     let userdata = await userdata_req.json();
@@ -74,7 +74,7 @@ export default class extends Aview {
 
     let main = document.getElementById("profile-pong-scorelist");
     if (!main)
-      return console.error("what");
+      return console.log("what");
 
     if (matches.matchHistory) {
       for (let match of matches.matchHistory) {
@@ -136,7 +136,7 @@ export default class extends Aview {
 
     main = document.getElementById("profile-tetris-scorelist");
     if (!main)
-      return console.error("what");
+      return console.log("what");
 
   // don't read this shit for you mental health
     if (matches.matchHistory) {
diff --git a/src/front/static/ts/views/ProfileMenu.ts b/src/front/static/ts/views/ProfileMenu.ts
index 9a480e0..44ae8c8 100644
--- a/src/front/static/ts/views/ProfileMenu.ts
+++ b/src/front/static/ts/views/ProfileMenu.ts
@@ -54,7 +54,7 @@ export default class extends Aview {
 	  });
 	  if (userdata_req.status == 404)
 	  {
-		console.error("invalid user");
+		console.log("invalid user");
 		return ;
 	  }
 	  let userdata = await userdata_req.json();
@@ -69,7 +69,7 @@ export default class extends Aview {
 
     document.getElementById("profile-items").innerHTML = await getMainHTML();
     requestAnimationFrame(() => {
-      document.getElementById("menu-logout").addEventListener("click", async () => {
+      document.getElementById("menu-logout")?.addEventListener("click", async () => {
         let req = fetch(`${auth_api}/logout`, {
           method: "GET",
           credentials: "include",
@@ -79,7 +79,7 @@ export default class extends Aview {
           if (res.status === 200)
             this.run();
           else
-            console.error("logout failed");
+            console.log("logout failed");
         });
       });
     });
diff --git a/src/front/static/ts/views/RegisterPage.ts b/src/front/static/ts/views/RegisterPage.ts
index ce19458..b002d29 100644
--- a/src/front/static/ts/views/RegisterPage.ts
+++ b/src/front/static/ts/views/RegisterPage.ts
@@ -91,7 +91,7 @@ export default class extends Aview {
 
 			}
 			catch (error) {
-				console.error(error);
+				console.log(error);
 				if (document.getElementById("login-error-message")) {
 					document.getElementById("login-error-message").innerHTML = "error: server error, try again later...";
 					document.getElementById("login-error-message")?.classList.remove("hidden");
diff --git a/src/front/static/ts/views/Settings.ts b/src/front/static/ts/views/Settings.ts
index 3f115f6..6abdf41 100644
--- a/src/front/static/ts/views/Settings.ts
+++ b/src/front/static/ts/views/Settings.ts
@@ -74,7 +74,7 @@ export default class extends Aview {
       credentials: "include",
     });
     if (userdata_req.status == 404) {
-      console.error("invalid user");
+      console.log("invalid user");
       return;
     }
     let userdata = await userdata_req.json();
@@ -106,16 +106,16 @@ export default class extends Aview {
       if (delete_req.status == 200)
         navigationManager("/");
       else
-        console.error("xd"); // xd?????????????
+        console.log("xd"); // xd?????????????
     });
 
     const upload = document.getElementById("upload-file") as HTMLInputElement;
     upload.addEventListener("change", () => {
       const fileList: FileList | null = upload.files;
       if (!fileList)
-        return console.error("empty");
+        return console.log("empty");
       if (!fileList[0].type.startsWith("image/")) {
-        console.error("invalid file");
+        console.log("invalid file");
         return;
       }
 
diff --git a/src/front/static/ts/views/Tetris.ts b/src/front/static/ts/views/Tetris.ts
index 496bbce..360961a 100644
--- a/src/front/static/ts/views/Tetris.ts
+++ b/src/front/static/ts/views/Tetris.ts
@@ -307,18 +307,18 @@ export default class extends Aview {
         ) as HTMLCanvasElement | null;
         this.canvas = el;
         if (!this.canvas)
-          throw console.error("no canvas :c");
+          throw console.log("no canvas :c");
         this.canvas.width = COLS * BLOCK;
         this.canvas.height = ROWS * BLOCK;
         const ctx = this.canvas.getContext("2d");
         this.ctx = ctx;
         if (!this.ctx)
-          throw console.error("no ctx D:");
+          throw console.log("no ctx D:");
 
         this.holdCanvas = document.getElementById("hold") as HTMLCanvasElement;
         this.queueCanvas = document.getElementById("queue") as HTMLCanvasElement;
         if (!this.holdCanvas || !this.queueCanvas)
-          throw console.error("no canvas :c");
+          throw console.log("no canvas :c");
         this.holdCtx = this.holdCanvas.getContext("2d");
         this.queueCtx = this.queueCanvas.getContext("2d");
         if (!this.holdCtx || !this.queueCtx)
diff --git a/src/front/static/ts/views/TetrisVersus.ts b/src/front/static/ts/views/TetrisVersus.ts
index fbe83d0..38c1584 100644
--- a/src/front/static/ts/views/TetrisVersus.ts
+++ b/src/front/static/ts/views/TetrisVersus.ts
@@ -332,18 +332,18 @@ export default class extends Aview {
         ) as HTMLCanvasElement | null;
         this.canvas = el;
         if (!this.canvas)
-          throw console.error("no canvas :c");
+          throw console.log("no canvas :c");
         this.canvas.width = COLS * BLOCK;
         this.canvas.height = ROWS * BLOCK;
         const ctx = this.canvas.getContext("2d");
         this.ctx = ctx;
         if (!this.ctx)
-          throw console.error("no ctx D:");
+          throw console.log("no ctx D:");
 
         this.holdCanvas = document.getElementById(canvasId + "-hold") as HTMLCanvasElement;
         this.queueCanvas = document.getElementById(canvasId + "-queue") as HTMLCanvasElement;
         if (!this.holdCanvas || !this.queueCanvas)
-          throw console.error("no canvas :c");
+          throw console.log("no canvas :c");
         this.holdCtx = this.holdCanvas.getContext("2d");
         this.queueCtx = this.queueCanvas.getContext("2d");
         if (!this.holdCtx || !this.queueCtx)
diff --git a/src/start.js b/src/start.js
index df7bc0e..ad4cc0b 100644
--- a/src/start.js
+++ b/src/start.js
@@ -77,6 +77,6 @@ async function start() {
 }
 
 start().catch((err) => {
-	console.error(err);
+	console.log(err);
 	process.exit(1);
 });