diff --git a/module-request-ai/src/buffer.rs b/module-request-ai/src/buffer.rs
index 99556b6..51e5008 100644
--- a/module-request-ai/src/buffer.rs
+++ b/module-request-ai/src/buffer.rs
@@ -38,14 +38,14 @@ enum State {
 }
 
 pub struct Buffer {
-	pub buf: Vec<String>,
+	pub buf: String,
 	state: State,
 }
 
 impl Buffer {
 	pub fn new() -> Self {
 		Buffer {
-			buf: vec![],
+			buf: String::new(),
 			state: State::Write,
 		}
 	}
@@ -53,12 +53,12 @@ impl Buffer {
 		match self.state {
 			State::Write => self.proc_write(data),
 			State::Think => self.proc_think(data),
-			State::Buf => self.buf.push(data.to_string()),
+			State::Buf => self.buf.push_str(data),
 		}
 	}
 
 	pub fn print_return_remain(&mut self) -> String {
-		let buffered = self.buf.join("").trim().to_string();
+		let buffered = self.buf.trim().to_string();
 		self.buf.clear();
 		if self.state == State::Buf {
 			return buffered;
@@ -75,15 +75,14 @@ impl Buffer {
 
 	fn proc_write(&mut self, data: &str) {
 		if !data.contains("\n") {
-			self.buf.push(data.to_string());
-			let buffered = self.buf.join("").trim().to_string();
+			self.buf.push_str(data);
+			let buffered = self.buf.trim().to_string();
 			let filled = fill(&buffered);
 			if let Some(filled) = filled {
 				self.buf.clear();
 				let formatted = clear_format(&filled);
 				eprint!("{}", formatted);
-				self.buf
-					.push(formatted.split_once("\n").unwrap().1.to_string());
+				self.buf.push_str(formatted.split_once("\n").unwrap().1);
 				std::io::stdout().flush().unwrap();
 				return;
 			}
@@ -97,8 +96,8 @@ impl Buffer {
 			let lines = data.split_once("\n").unwrap();
 			let first = lines.0;
 			let last = lines.1;
-			self.buf.push(first.to_string());
-			let buffered = self.buf.join("").trim().to_string();
+			self.buf.push_str(first);
+			let buffered = self.buf.trim().to_string();
 			self.buf.clear();
 			if buffered.ends_with("<note>") {
 				let warn = format!("{}:", t!("ai-suggestion"))
@@ -148,15 +147,14 @@ impl Buffer {
 
 	fn proc_think(&mut self, data: &str) {
 		if !data.contains("\n") {
-			self.buf.push(data.to_string());
-			let buffered = self.buf.join("").trim().to_string();
+			self.buf.push_str(data);
+			let buffered = self.buf.trim().to_string();
 			let filled = fill(&buffered);
 			if let Some(filled) = filled {
 				self.buf.clear();
 				let formatted = clear_format(&filled);
 				eprint!("{}", formatted);
-				self.buf
-					.push(formatted.split_once("\n").unwrap().1.to_string());
+				self.buf.push_str(formatted.split_once("\n").unwrap().1);
 				std::io::stdout().flush().unwrap();
 				return;
 			}
@@ -170,8 +168,8 @@ impl Buffer {
 			let lines = data.split_once("\n").unwrap();
 			let first = lines.0;
 			let last = lines.1;
-			self.buf.push(first.to_string());
-			let buffered = self.buf.join("").trim().to_string();
+			self.buf.push_str(first);
+			let buffered = self.buf.trim().to_string();
 			self.buf.clear();
 			if buffered.ends_with("</think>") {
 				let tag = "</think>";
diff --git a/module-request-ai/src/requests.rs b/module-request-ai/src/requests.rs
index 0e9e397..b1932a1 100644
--- a/module-request-ai/src/requests.rs
+++ b/module-request-ai/src/requests.rs
@@ -130,27 +130,27 @@ pub async fn ai_suggestion(last_command: &str, error_msg: &str) {
 		.await;
 
 	let mut stream = res.unwrap().bytes_stream();
-	let mut json_buffer = vec![];
+	let mut json_buffer = String::new();
 	let mut buffer = buffer::Buffer::new();
 	while let Some(item) = stream.next().await {
 		let item = item.unwrap();
 		let str = std::str::from_utf8(&item).unwrap();
 
 		if json_buffer.is_empty() {
-			json_buffer.push(str.to_string());
+			json_buffer.push_str(str);
 			continue;
 		}
 
 		if !str.contains("\n\ndata: {") {
-			json_buffer.push(str.to_string());
+			json_buffer.push_str(str);
 			continue;
 		}
 		let data_loc = str.find("\n\ndata: {").unwrap();
 		let split = str.split_at(data_loc);
-		json_buffer.push(split.0.to_string());
-		let working_str = json_buffer.join("");
+		json_buffer.push_str(split.0);
+		let working_str = json_buffer.clone();
 		json_buffer.clear();
-		json_buffer.push(split.1.to_string());
+		json_buffer.push_str(split.1);
 
 		for part in working_str.split("\n\n") {
 			if let Some(data) = part.strip_prefix("data: ") {
@@ -168,7 +168,7 @@ pub async fn ai_suggestion(last_command: &str, error_msg: &str) {
 		}
 	}
 	if !json_buffer.is_empty() {
-		let working_str = json_buffer.join("");
+		let working_str = json_buffer.clone();
 		for part in working_str.split("\n\n") {
 			if let Some(data) = part.strip_prefix("data: ") {
 				if data == "[DONE]" {