diff --git a/kernel/src/libs/lib_ui/textui.rs b/kernel/src/libs/lib_ui/textui.rs
index 39708dda..59747b15 100644
--- a/kernel/src/libs/lib_ui/textui.rs
+++ b/kernel/src/libs/lib_ui/textui.rs
@@ -512,9 +512,8 @@ impl TextuiCharChromatic {
                         )
                     };
                 }
-
                 unsafe {
-                    addr = addr.offset(1);
+                    addr = addr.add(byte_num_of_depth);
                 }
             }
         }