Update src/streamlit_app.py

src/streamlit_app.py

@@ -173,6 +173,13 @@ LANGUAGES = {
         "mole_fraction": "摩尔分数",
         "volume_fraction": "体积分数",
         "mass_fraction": "质量分数",
+        "mole_verification": "摩尔分数验证",
+        "volume_verification": "体积分数验证", 
+        "mass_verification": "质量分数验证",
+        "fraction_visualization": "溶剂分数可视化",
+        "mole_fraction_chart": "摩尔分数",
+        "volume_fraction_chart": "体积分数",
+        "mass_fraction_chart": "质量分数",
         "calculation_formula": "📐 计算公式",
         "formula_mole_to_vol_title": "**摩尔分数转换为体积分数:**",
         "formula_vol_to_mole_title": "**体积分数转换为摩尔分数:**",
@@ -232,6 +239,13 @@ LANGUAGES = {
         "mole_fraction": "Mole Fraction",
         "volume_fraction": "Volume Fraction",
         "mass_fraction": "Mass Fraction",
+        "mole_verification": "Mole Fraction Verification",
+        "volume_verification": "Volume Fraction Verification",
+        "mass_verification": "Mass Fraction Verification", 
+        "fraction_visualization": "Solvent Fraction Visualization",
+        "mole_fraction_chart": "Mole Fraction",
+        "volume_fraction_chart": "Volume Fraction",
+        "mass_fraction_chart": "Mass Fraction",
         "calculation_formula": "📐 Calculation Formula",
         "formula_mole_to_vol_title": "**Mole Fraction to Volume Fraction:**",
         "formula_vol_to_mole_title": "**Volume Fraction to Mole Fraction:**",
@@ -306,7 +320,7 @@ SOLVENTS_DB = {
 # 语言选择
 language = st.sidebar.selectbox(
     "🌐 Language/语言:", 
-    ["English", "中文"],
+    ["中文", "English"],
     help="Choose your preferred language / 选择您的首选语言"
 )
 lang = LANGUAGES[language]
@@ -674,13 +688,13 @@ with col2:
     # 验证信息
     st.markdown("---")
     if mole_result:
-        st.success(f"✅ 摩尔分数验证: {mole_result[0] + mole_result[1]:.6f}")
+        st.success(f"✅ {lang['mole_verification']}: {mole_result[0] + mole_result[1]:.6f}")
     if vol_result:
-        st.success(f"✅ 体积分数验证: {vol_result[0] + vol_result[1]:.6f}")
+        st.success(f"✅ {lang['volume_verification']}: {vol_result[0] + vol_result[1]:.6f}")
     if mass_result:
-        st.success(f"✅ 质量分数验证: {mass_result[0] + mass_result[1]:.6f}")
+        st.success(f"✅ {lang['mass_verification']}: {mass_result[0] + mass_result[1]:.6f}")
 
-# 可视化部分
+# 可视化部分修改
 st.markdown("---")
 st.markdown(f"### {lang['visualization']}")
 
@@ -691,9 +705,9 @@ if mole_result:
     fig.add_trace(go.Pie(
         labels=[solvent_a_name, solvent_b_name],
         values=[mole_result[0], mole_result[1]],
-        name="摩尔分数",
+        name=lang["mole_fraction_chart"],
         domain=dict(x=[0, 0.3]),
-        title="摩尔分数",
+        title=lang["mole_fraction_chart"],
         marker_colors=[current_solvents.get(solvent_a_name, {}).get('color', '#3498db'),
                       current_solvents.get(solvent_b_name, {}).get('color', '#e74c3c')]
     ))
@@ -702,9 +716,9 @@ if vol_result:
     fig.add_trace(go.Pie(
         labels=[solvent_a_name, solvent_b_name],
         values=[vol_result[0], vol_result[1]],
-        name="体积分数",
+        name=lang["volume_fraction_chart"],
         domain=dict(x=[0.35, 0.65]),
-        title="体积分数",
+        title=lang["volume_fraction_chart"],
         marker_colors=[current_solvents.get(solvent_a_name, {}).get('color', '#3498db'),
                       current_solvents.get(solvent_b_name, {}).get('color', '#e74c3c')]
     ))
@@ -713,16 +727,16 @@ if mass_result:
     fig.add_trace(go.Pie(
         labels=[solvent_a_name, solvent_b_name],
         values=[mass_result[0], mass_result[1]],
-        name="质量分数",
+        name=lang["mass_fraction_chart"],
         domain=dict(x=[0.7, 1.0]),
-        title="质量分数",
+        title=lang["mass_fraction_chart"],
         marker_colors=[current_solvents.get(solvent_a_name, {}).get('color', '#3498db'),
                       current_solvents.get(solvent_b_name, {}).get('color', '#e74c3c')]
     ))
 
 fig.update_traces(textposition='inside', textinfo='percent+label')
 fig.update_layout(
-    title_text="溶剂分数可视化",
+    title_text=lang["fraction_visualization"],
     showlegend=False,
     height=400,
     margin=dict(l=20, r=20, t=50, b=20)