From dbf508fa97466afc3a2b45ae3460e50c633c9aaa Mon Sep 17 00:00:00 2001
From: core <core@coredoes.dev>
Date: Wed, 15 Jul 2026 22:36:51 -0400
Subject: [PATCH] feat(error): thiserror

---
 Cargo.lock   |  1 +
 Cargo.toml   |  1 +
 src/error.rs | 11 ++++++++---
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 46ed371cd32aad6fc60b8e596c3090ff2cc9a5c3..b5fb88c977acd2ffa3030b5da1087604a67c520c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -579,6 +579,7 @@ dependencies = [
  "ratatui",
  "ratatui-core",
  "ratatui-widgets",
+ "thiserror 2.0.18",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index dc05caf6ab1ce0aaad3c5e94fe870391d486f6d8..732272b12bb62a322c2507f16fd49843dc995a57 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,6 +4,7 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
+thiserror = "2"
 ratatui-core = { version = "0.1.2", features = ["layout-cache"] }
 ratatui-widgets = "0.3.2"
 
diff --git a/src/error.rs b/src/error.rs
index 869fd49fa5bf616cccda7731bbddf275ae46bfe1..71c40a5c5356afe9afdd0f9126f15f454a53b16f 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -1,15 +1,20 @@
-#[derive(Debug)]
+use thiserror::Error;
+
+#[derive(Debug, Error)]
 pub enum LintuiniError {
+    #[error("element error: {0}")]
     ElementError(ElementError),
 }
 
-#[derive(Debug)]
+#[derive(Debug, Error)]
 pub enum ElementError {
+    #[error("set size failed")]
     SetSize,
+    #[error("add child failed")]
     AddChild,
 }
 
-#[derive(Debug)]
+#[derive(Debug, Error)]
 pub enum RenderError {
     
 }