diff --git a/machine_manager/src/qmp/qmp_response.rs b/machine_manager/src/qmp/qmp_response.rs
index bbf2d41ed45652075da7044825b0c28d376fae3a..c6dbae42a202f4ccc461506db5812be111db6a7c 100644
--- a/machine_manager/src/qmp/qmp_response.rs
+++ b/machine_manager/src/qmp/qmp_response.rs
@@ -145,7 +145,7 @@ impl Response {
         }
     }
 
-    /// Create a error qmo response with `err_class` and `id`.
+    /// Create a error qmp response with `err_class` and `id`.
     /// # Arguments
     ///
     /// * `err_class` - The `QmpErrorClass` of qmp `error` field.
diff --git a/ozone/src/syscall.rs b/ozone/src/syscall.rs
index 648f3fc20ea76c86fd9522183d4520789078b76d..ce068b5995e0465e67e72fc11d6df4a2bfa6360a 100644
--- a/ozone/src/syscall.rs
+++ b/ozone/src/syscall.rs
@@ -155,7 +155,7 @@ pub fn setns(fd: i32, nstype: i32) -> Result<()> {
 ///
 /// # Arguments
 ///
-/// * `path` - The relative path of filder.
+/// * `path` - The relative path of folder.
 pub fn mkdir(path: &str) -> Result<()> {
     let path_ptr = into_cstring(path)?;
     SyscallResult {
diff --git a/tests/hydropper/utils/utils_logging.py b/tests/hydropper/utils/utils_logging.py
index 6c60200ea791d863c0167054beef1469215fcbfb..6f5bf405278894dda93dc2ad189e1796d0f1fb46 100644
--- a/tests/hydropper/utils/utils_logging.py
+++ b/tests/hydropper/utils/utils_logging.py
@@ -80,7 +80,7 @@ class Logger():
                 # FileHandler log level
                 self.f_level = level[1]
 
-        self.msg = "Hello Word, just test"
+        self.msg = "Hello World, just test"
 
         if not mode:
             self.mode = r'a'