diff --git a/DESCRIPTION b/DESCRIPTION
index ffd15e4..8c73eaf 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -11,13 +11,14 @@ Description: For many times, we are not just aligning plots as what 'cowplot' an
 Depends:
     R (>= 4.1.0)
 Imports:
-  ggfun (>= 0.1.3),
-  ggplot2,
-  ggplotify,
-  patchwork,
-  magrittr,
-  methods,
-  utils
+    ggfun (>= 0.1.3),
+    ggplot2,
+    ggplotify,
+    patchwork,
+    magrittr,
+    methods,
+    utils,
+    yulab.utils (>= 0.1.9)
 Suggests:
   ggtree  
 URL: https://github.com/YuLab-SMU/aplot, https://yulab-smu.top/aplot/
diff --git a/R/insertion.R b/R/insertion.R
index 963be19..e01f2da 100644
--- a/R/insertion.R
+++ b/R/insertion.R
@@ -42,6 +42,9 @@ insert_left <- function(.data, plot, width=1) {
 ##' @rdname plot-insertion
 ##' @export
 insert_right <- function(.data, plot, width=1) {
+
+    yulab.utils:::.crap(n=2L, fn = 'oncoplot')
+
     insert_lr(.data = .data, plot = plot,
               width = width, side = "right")
 }
@@ -102,6 +105,9 @@ insert_lr <- function(.data, plot, width,  side) {
 ##' @rdname plot-insertion
 ##' @export
 insert_top <- function(.data, plot, height=1) {
+
+    yulab.utils:::.crap(n=2L, fn = 'oncoplot')
+
     insert_tb(.data = .data, plot = plot,
               height = height, side = "top")
 }
@@ -110,6 +116,9 @@ insert_top <- function(.data, plot, height=1) {
 ##' @rdname plot-insertion
 ##' @export
 insert_bottom <- function(.data, plot, height=1) {
+
+    yulab.utils:::.crap(n=2L, fn = 'oncoplot')
+
     insert_tb(.data = .data, plot = plot,
               height = height, side = "bottom")
 }