diff --git "a/A-\345\237\272\347\241\200\346\225\231\347\250\213/A1-PythonBasic/math_intro/.ipynb_checkpoints/01_\344\273\243\346\225\260-checkpoint.ipynb" "b/A-\345\237\272\347\241\200\346\225\231\347\250\213/A1-PythonBasic/math_intro/.ipynb_checkpoints/01_\344\273\243\346\225\260-checkpoint.ipynb"
index a31504f78..589805033 100644
--- "a/A-\345\237\272\347\241\200\346\225\231\347\250\213/A1-PythonBasic/math_intro/.ipynb_checkpoints/01_\344\273\243\346\225\260-checkpoint.ipynb"
+++ "b/A-\345\237\272\347\241\200\346\225\231\347\250\213/A1-PythonBasic/math_intro/.ipynb_checkpoints/01_\344\273\243\346\225\260-checkpoint.ipynb"
@@ -2254,7 +2254,7 @@
     "plt.grid()\n",
     "plt.plot(x, y, color='purple')\n",
     "\n",
-    "# 绘制临界点， 如果取接近0的值，临界点附件函数的形状变得不可见\n",
+    "# 绘制临界点， 如果取接近0的值，临界点附近函数的形状变得不可见\n",
     "plt.plot(0, g(1), color='purple', marker='o', markerfacecolor='w', markersize=8)\n",
     "plt.show()"
    ]