Update cluster_insight.py

cluster_insight.py

@@ -281,7 +281,9 @@ def cluster_and_visualize(
         margin=dict(l=50, r=50, t=80, b=50) # 让 Plotly 内部也居中
     )
 
-    # img_bytes = fig.to_image(format="png", width=900, height=600, scale=2 )  # 新增这一行！
+    img_bytes = fig.to_image(format="png", width=900, height=600, scale=2,
+                            engine='kaleido' )  # 新增这一行！
+    b64 = base64.b64encode(img_bytes).decode('utf-8')
     # 新代码：
     # img_bytes = pio.to_image(
     #     fig,
@@ -291,7 +293,7 @@ def cluster_and_visualize(
     #     scale=2
     #     )
     # b64 = base64.b64encode(img_bytes).decode('utf-8')
-    b64 = fig_to_base64(fig)
+    # b64 = fig_to_base64(fig)
     # print(f"{b64}解析成功！")
     # return b64, stats
     return fig, b64, stats