diff --git a/src/main.rs b/src/main.rs
index 76d204f..737cd79 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -318,9 +318,10 @@ fn read_build_json_object_from_env() -> Option<json::JsonValue> {
         if *VERBOSE {
             print_message(MessageType::DEBUG, &format!("Use env configed build.json: {}",  json::stringify(build_json_object.clone())));
         }
-        return Some(build_json_object);
+        Some(build_json_object)
+    } else {
+        None
     }
-    None
 }
 
 fn read_build_json_object() -> Option<json::JsonValue> {