diff --git a/crates/node_binding/src/rsdoctor.rs b/crates/node_binding/src/rsdoctor.rs
index 0d9ef029a266..25fd054b3751 100644
--- a/crates/node_binding/src/rsdoctor.rs
+++ b/crates/node_binding/src/rsdoctor.rs
@@ -27,7 +27,7 @@ pub struct JsRsdoctorModule {
   pub belong_modules: Vec<i32>,
   pub chunks: Vec<i32>,
   pub issuer_path: Vec<i32>,
-  pub bailout_reason: Option<String>,
+  pub bailout_reason: Vec<String>,
 }
 
 impl From<RsdoctorModule> for JsRsdoctorModule {
@@ -50,7 +50,7 @@ impl From<RsdoctorModule> for JsRsdoctorModule {
         .into_iter()
         .filter_map(|i| i.ukey)
         .collect::<Vec<_>>(),
-      bailout_reason: value.bailout_reason,
+      bailout_reason: value.bailout_reason.into_iter().collect::<Vec<_>>(),
     }
   }
 }
diff --git a/crates/rspack_plugin_rsdoctor/src/data.rs b/crates/rspack_plugin_rsdoctor/src/data.rs
index 6f5d689fb4d7..66639927a3e7 100644
--- a/crates/rspack_plugin_rsdoctor/src/data.rs
+++ b/crates/rspack_plugin_rsdoctor/src/data.rs
@@ -47,7 +47,7 @@ pub struct RsdoctorModule {
   pub modules: HashSet<ModuleUkey>,
   pub belong_modules: HashSet<ModuleUkey>,
   pub issuer_path: Option<Vec<RsdoctorStatsModuleIssuer>>,
-  pub bailout_reason: Option<String>,
+  pub bailout_reason: HashSet<String>,
 }
 
 #[derive(Debug, Default)]
diff --git a/crates/rspack_plugin_rsdoctor/src/module_graph.rs b/crates/rspack_plugin_rsdoctor/src/module_graph.rs
index 02671235a16d..1602735ad409 100644
--- a/crates/rspack_plugin_rsdoctor/src/module_graph.rs
+++ b/crates/rspack_plugin_rsdoctor/src/module_graph.rs
@@ -72,7 +72,7 @@ pub fn collect_modules(
           belong_modules: HashSet::default(),
           chunks,
           issuer_path: None,
-          bailout_reason: None,
+          bailout_reason: HashSet::default(),
         },
       )
     })
diff --git a/crates/rspack_plugin_rsdoctor/src/plugin.rs b/crates/rspack_plugin_rsdoctor/src/plugin.rs
index 02879000fd4f..9786e513645f 100644
--- a/crates/rspack_plugin_rsdoctor/src/plugin.rs
+++ b/crates/rspack_plugin_rsdoctor/src/plugin.rs
@@ -318,11 +318,9 @@ async fn optimize_chunk_modules(&self, compilation: &mut Compilation) -> Result<
 
     if let Some(rsd_module) = rsd_modules.get_mut(&module_id) {
       rsd_module.issuer_path = Some(issuer_path);
-    }
-    if let Some(rsd_module) = rsd_modules.get_mut(&module_id) {
       let (_, module) = module;
       let bailout_reason = module_graph.get_optimization_bailout(&module.identifier());
-      rsd_module.bailout_reason = Some(bailout_reason.join(", "));
+      rsd_module.bailout_reason = bailout_reason.iter().map(|s| s.to_string()).collect();
     }
   }