Update app.py

app.py

@@ -7,9 +7,9 @@ def pd_bar():
     df = pd.DataFrame({'kc':['yw', 'sx', 'yy'], 'cj':[66, 98, 78]})
     ax = df.plot(x='kc',y='cj',kind='bar',title='chinese word error!', color=["red","green","purple"],rot=0)
     return ax.get_figure()
-def pd_line():
-    df = pd.DataFrame({'kc':['yw', 'sx', 'yy'], 'cj':[66, 98, 78]})
-    plt.plot(df['cj'])
+def plt_line():
+    df = pd.DataFrame({'kc':['yw', 'sx', 'yy'], '成绩':[66, 98, 78]})
+    plt.plot(df['成绩'])
     return plt
 demo=gr.Blocks()
 with demo:
@@ -36,5 +36,5 @@ myChart.setOption(option);
         with gr.TabItem("pd_line"):
             pd2_button=gr.Button("pd_line>>")
             pd2_output=gr.Plot(label="pd_chart2")
-            pd2_button.click(pd_line, inputs=[], outputs=pd2_output)
+            pd2_button.click(plt_line, inputs=[], outputs=pd2_output)
 demo.launch()