Update app.py

app.py

@@ -29,7 +29,6 @@ st.set_page_config(page_title="Emoji Offensive Text Detector", page_icon="🚨",
 # ✅ 侧边栏: 选择模型
 with st.sidebar:
     st.header("🧠 Settings")
-    moderation_type = st.selectbox("Select Task Type", ["Normal Text", "Bullet Screen Text"])
     selected_model = st.selectbox("Choose classification model", list(model_options.keys()))
     selected_model_id = model_options[selected_model]
     classifier = pipeline("text-classification", model=selected_model_id, device=0 if torch.cuda.is_available() else -1)
@@ -113,9 +112,24 @@ if st.session_state.history:
         theta='Category',
         line_close=True,
         title="⚠️ Risk Radar by Category",
-        color_discrete_sequence=['yellow'],
+        color_discrete_sequence=['black'],
         template='simple_white'
     )
+    radar_fig.update_layout(
+        polar=dict(
+            radialaxis=dict(
+                showticklabels=False,
+                ticks='',
+                gridshape='circular'
+            ),
+            angularaxis=dict(
+                showticklabels=False,
+                ticks=''
+            )
+        ),
+        paper_bgcolor='white',
+        plot_bgcolor='white'
+    )
     st.plotly_chart(radar_fig)
 else:
     st.info("⚠️ No classification data available yet.")