diff --git a/.changeset/late-emus-wait.md b/.changeset/late-emus-wait.md
new file mode 100644
index 000000000..4c7e1c5c0
--- /dev/null
+++ b/.changeset/late-emus-wait.md
@@ -0,0 +1,5 @@
+---
+'@farmfe/core': patch
+---
+
+fix css resource pot load sourcemap
diff --git a/crates/compiler/src/generate/render_resource_pots.rs b/crates/compiler/src/generate/render_resource_pots.rs
index f14492fcb..dc7b1ffb0 100644
--- a/crates/compiler/src/generate/render_resource_pots.rs
+++ b/crates/compiler/src/generate/render_resource_pots.rs
@@ -60,7 +60,12 @@ pub fn render_resource_pots_and_generate_resources(
     // to make sure the source map can be found.
     if let Some(mut source_map) = res.source_map {
       source_map.name = format!("{}.{}", r.name, source_map.resource_type.to_ext());
-      let source_mapping_url = format!("\n//# sourceMappingURL=/{}", source_map.name);
+
+      let source_mapping_url = if matches!(r.resource_type, ResourceType::Css) {
+        format!("\n/*# sourceMappingURL=/{} */", source_map.name)
+      } else {
+        format!("\n//# sourceMappingURL=/{}", source_map.name)
+      };
       r.bytes.append(&mut source_mapping_url.as_bytes().to_vec());
 
       resource_pot.add_resource(source_map.name.clone());