diff --git a/Cargo.toml b/Cargo.toml
index 00087dc..3647339 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "quicommit"
-version = "0.2.3"
+version = "0.2.4"
 edition = "2024"
 authors = ["Sidney Zhang <zly@lyzhang.me>"]
 description = "A powerful Git assistant tool with AI-powered commit/tag/changelog generation(alpha version)"
@@ -86,7 +86,7 @@ wiremock = "0.6"
 [profile.release]
 opt-level = "s"
 lto = "thin"
-codegen-units = 2
+codegen-units = 1
 panic = "abort"
 strip = true
 debug = false
diff --git a/src/llm/kimi.rs b/src/llm/kimi.rs
index e8f15e4..fb46163 100644
--- a/src/llm/kimi.rs
+++ b/src/llm/kimi.rs
@@ -346,7 +346,17 @@ impl KimiClient {
             .choices
             .into_iter()
             .next()
-            .map(|c| c.message.content.trim().to_string())
+            .map(|c| {
+                let content = c.message.content.trim().to_string();
+                if content.is_empty() {
+                    c.reasoning_content
+                        .or(c.message.reasoning_content)
+                        .map(|r| r.trim().to_string())
+                        .unwrap_or_default()
+                } else {
+                    content
+                }
+            })
             .filter(|s| !s.is_empty())
             .ok_or_else(|| anyhow::anyhow!("No response from Kimi"))
     }