diff --git a/backend/app/backend.py b/backend/app/backend.py
index ceee392..2ab49de 100644
--- a/backend/app/backend.py
+++ b/backend/app/backend.py
@@ -350,3 +350,235 @@ if __name__ == "__main__":
     # 使用环境变量或默认端口 8079（避免与 llama.cpp 的 8081 端口冲突）
     port = int(BACKEND_PORT)
     uvicorn.run(app, host="0.0.0.0", port=port)
+
+
+# ==================== 子图专用 API 端点 ====================
+# 简化版本，直接调用各个子图，无需完整 agent_service
+# 注意：这些是独立测试用的简化端点，方便前端直接调用
+
+@app.get("/subgraph/dictionary/{action}")
+async def dictionary_subgraph_api(
+    action: str,
+    query: str = "",
+    user_id: str = "default"
+):
+    """词典子图简化 API"""
+    from backend.app.agent_subgraphs.dictionary import (
+        DictionaryState,
+        DictionaryAction,
+        parse_intent,
+        format_result
+    )
+    from backend.app.agent_subgraphs.dictionary.nodes import (
+        query_word, translate_text, extract_terms, get_daily_word
+    )
+    
+    # 创建初始状态
+    state = DictionaryState(user_query=query, user_id=user_id)
+    
+    # 处理 action
+    try:
+        if action == "query":
+            state.action = DictionaryAction.QUERY
+            state.action_params = {"word": query}
+            state = query_word(state)
+        elif action == "translate":
+            state.action = DictionaryAction.TRANSLATE
+            state.source_text = query
+            state = translate_text(state)
+        elif action == "daily":
+            state.action = DictionaryAction.DAILY_WORD
+            state = get_daily_word(state)
+        elif action == "extract":
+            state.action = DictionaryAction.EXTRACT
+            state.action_params = {"text": query}
+            state = extract_terms(state)
+        else:
+            # 自动解析意图
+            state = parse_intent(state)
+            # 根据解析后的 action 调用
+            if state.action == DictionaryAction.QUERY:
+                state = query_word(state)
+            elif state.action == DictionaryAction.TRANSLATE:
+                state = translate_text(state)
+            elif state.action == DictionaryAction.DAILY_WORD:
+                state = get_daily_word(state)
+            elif state.action == DictionaryAction.EXTRACT:
+                state = extract_terms(state)
+        
+        # 格式化结果
+        state = format_result(state)
+        
+        return {
+            "success": True,
+            "action": str(state.action),
+            "result": state.final_result,
+            "raw_data": {
+                "word_entry": vars(state.word_entry) if state.word_entry else None,
+                "translated_text": state.translated_text,
+                "extracted_terms": [vars(t) for t in state.extracted_terms],
+                "daily_word": vars(state.daily_word) if state.daily_word else None
+            }
+        }
+    except Exception as e:
+        return {"success": False, "error": str(e)}
+
+
+@app.get("/subgraph/news/{action}")
+async def news_subgraph_api(
+    action: str,
+    query: str = "",
+    user_id: str = "default"
+):
+    """资讯子图简化 API"""
+    from backend.app.agent_subgraphs.news_analysis import (
+        NewsAnalysisState,
+        NewsAction,
+        parse_intent,
+        format_result
+    )
+    from backend.app.agent_subgraphs.news_analysis.nodes import (
+        query_news, analyze_url, extract_keywords, generate_report
+    )
+    
+    # 创建初始状态
+    state = NewsAnalysisState(user_query=query, user_id=user_id)
+    
+    # 处理 action
+    try:
+        if action == "query":
+            state.action = NewsAction.QUERY_NEWS
+            state = query_news(state)
+        elif action == "analyze":
+            state.action = NewsAction.ANALYZE_URL
+            state.custom_urls = [query]
+            state = analyze_url(state)
+        elif action == "keywords":
+            state.action = NewsAction.EXTRACT_KEYWORDS
+            state = extract_keywords(state)
+        elif action == "report":
+            state.action = NewsAction.GENERATE_REPORT
+            state = generate_report(state)
+        else:
+            # 自动解析意图
+            state = parse_intent(state)
+            # 根据解析后的 action 调用
+            if state.action == NewsAction.QUERY_NEWS:
+                state = query_news(state)
+            elif state.action == NewsAction.ANALYZE_URL:
+                state.custom_urls = [query]
+                state = analyze_url(state)
+            elif state.action == NewsAction.EXTRACT_KEYWORDS:
+                state = extract_keywords(state)
+            elif state.action == NewsAction.GENERATE_REPORT:
+                state = generate_report(state)
+        
+        # 格式化结果
+        state = format_result(state)
+        
+        return {
+            "success": True,
+            "action": str(state.action),
+            "result": state.final_result,
+            "raw_data": {
+                "news_items": [vars(item) for item in state.news_items],
+                "extracted_keywords": state.extracted_keywords,
+                "report_content": state.report_content
+            }
+        }
+    except Exception as e:
+        return {"success": False, "error": str(e)}
+
+
+@app.get("/subgraph/contact/{action}")
+async def contact_subgraph_api(
+    action: str,
+    query: str = "",
+    user_id: str = "default"
+):
+    """通讯录子图简化 API"""
+    from backend.app.agent_subgraphs.contact import (
+        ContactState,
+        ContactAction,
+        parse_intent,
+        format_result
+    )
+    from backend.app.agent_subgraphs.contact.nodes import (
+        list_contacts, add_contact, list_emails, generate_email_draft, sniff_contacts
+    )
+    
+    # 创建初始状态
+    state = ContactState(user_query=query, user_id=user_id)
+    
+    # 处理 action
+    try:
+        if action == "list":
+            state.action = ContactAction.CONTACT_LIST
+            state = list_contacts(state)
+        elif action == "add":
+            state.action = ContactAction.CONTACT_ADD
+            state = add_contact(state)
+        elif action == "emails":
+            state.action = ContactAction.EMAIL_LIST
+            state = list_emails(state)
+        elif action == "draft":
+            state.action = ContactAction.EMAIL_SEND
+            state = generate_email_draft(state)
+        elif action == "sniff":
+            state.action = ContactAction.SNIFF_CONTACTS
+            state = sniff_contacts(state)
+        else:
+            # 自动解析意图
+            state = parse_intent(state)
+            # 根据解析后的 action 调用
+            if state.action == ContactAction.CONTACT_LIST:
+                state = list_contacts(state)
+            elif state.action == ContactAction.CONTACT_ADD:
+                state = add_contact(state)
+            elif state.action == ContactAction.EMAIL_LIST:
+                state = list_emails(state)
+            elif state.action == ContactAction.EMAIL_SEND:
+                state = generate_email_draft(state)
+            elif state.action == ContactAction.SNIFF_CONTACTS:
+                state = sniff_contacts(state)
+        
+        # 格式化结果
+        state = format_result(state)
+        
+        return {
+            "success": True,
+            "action": str(state.action),
+            "result": state.final_result,
+            "raw_data": {
+                "contacts": [vars(c) for c in state.contacts],
+                "emails": [vars(e) for e in state.emails],
+                "current_contact": vars(state.current_contact) if state.current_contact else None,
+                "draft": {
+                    "subject": state.draft_subject,
+                    "recipient": state.draft_recipient,
+                    "body": state.draft_body
+                },
+                "sniffed": [vars(c) for c in state.sniffed_contacts]
+            }
+        }
+    except Exception as e:
+        return {"success": False, "error": str(e)}
+
+
+@app.get("/subgraph/help")
+async def subgraph_help_api():
+    """子图 API 使用帮助"""
+    return {
+        "dictionary": {
+            "actions": ["query", "translate", "daily", "extract", "auto"],
+            "endpoint": "/subgraph/dictionary/{action}"
+        },
+        "news": {
+            "actions": ["query", "analyze", "keywords", "report", "auto"],
+            "endpoint": "/subgraph/news/{action}"
+        },
+        "contact": {
+            "actions": ["list", "add", "emails", "draft", "sniff", "auto"],
+            "endpoint": "/subgraph/contact/{action}"
+        }
+    }
diff --git a/frontend/src/api_client.py b/frontend/src/api_client.py
index ef2279c..308996f 100644
--- a/frontend/src/api_client.py
+++ b/frontend/src/api_client.py
@@ -379,6 +379,70 @@ class APIClient:
             error(f"请求审核异常: {e}")
             return ""
 
+    # ==================== 子图专用 API ====================
+
+    def call_dictionary_subgraph(self, action: str, query: str = "", user_id: str = "default") -> dict:
+        """调用词典子图"""
+        try:
+            resp = requests.get(
+                f"{self.base_url}/subgraph/dictionary/{action}",
+                params={"query": query, "user_id": user_id},
+                timeout=10
+            )
+            if resp.status_code == 200:
+                return resp.json()
+            else:
+                warning(f"调用词典子图失败: HTTP {resp.status_code}")
+                return {"success": False, "error": "HTTP错误"}
+        except Exception as e:
+            error(f"调用词典子图异常: {e}")
+            return {"success": False, "error": str(e)}
+
+    def call_news_subgraph(self, action: str, query: str = "", user_id: str = "default") -> dict:
+        """调用资讯子图"""
+        try:
+            resp = requests.get(
+                f"{self.base_url}/subgraph/news/{action}",
+                params={"query": query, "user_id": user_id},
+                timeout=10
+            )
+            if resp.status_code == 200:
+                return resp.json()
+            else:
+                warning(f"调用资讯子图失败: HTTP {resp.status_code}")
+                return {"success": False, "error": "HTTP错误"}
+        except Exception as e:
+            error(f"调用资讯子图异常: {e}")
+            return {"success": False, "error": str(e)}
+
+    def call_contact_subgraph(self, action: str, query: str = "", user_id: str = "default") -> dict:
+        """调用通讯录子图"""
+        try:
+            resp = requests.get(
+                f"{self.base_url}/subgraph/contact/{action}",
+                params={"query": query, "user_id": user_id},
+                timeout=10
+            )
+            if resp.status_code == 200:
+                return resp.json()
+            else:
+                warning(f"调用通讯录子图失败: HTTP {resp.status_code}")
+                return {"success": False, "error": "HTTP错误"}
+        except Exception as e:
+            error(f"调用通讯录子图异常: {e}")
+            return {"success": False, "error": str(e)}
+
+    def get_subgraph_help(self) -> dict:
+        """获取子图 API 使用帮助"""
+        try:
+            resp = requests.get(f"{self.base_url}/subgraph/help", timeout=5)
+            if resp.status_code == 200:
+                return resp.json()
+            else:
+                return {}
+        except Exception as e:
+            return {}
+
 
 # 全局 API 客户端实例（单例模式）
 api_client = APIClient()
diff --git a/frontend/src/components/subgraph_panel.py b/frontend/src/components/subgraph_panel.py
new file mode 100644
index 0000000..80e5166
--- /dev/null
+++ b/frontend/src/components/subgraph_panel.py
@@ -0,0 +1,222 @@
+"""
+子图测试面板组件
+包含词典、资讯、通讯录三个子图的测试界面
+使用确定取消继续交互
+"""
+
+import streamlit as st
+
+from api_client import api_client
+from state import AppState
+
+
+def render_subgraph_panel():
+    """渲染子图测试面板"""
+    st.markdown("## 🔧 子图测试面板")
+    with st.expander("📚 词典子图", expanded=False):
+        _render_dictionary_panel()
+    with st.expander("📰 资讯子图", expanded=False):
+        _render_news_panel()
+    with st.expander("📇 通讯录子图", expanded=False):
+        _render_contact_panel()
+
+
+def _render_dictionary_panel():
+    """渲染词典子图测试面板"""
+    # 会话状态管理
+    if "dict_action" not in st.session_state:
+        st.session_state.dict_action = "auto"
+    if "dict_query" not in st.session_state:
+        st.session_state.dict_query = ""
+    if "dict_result" not in st.session_state:
+        st.session_state.dict_result = None
+    if "dict_confirm" not in st.session_state:
+        st.session_state.dict_confirm = False
+    
+    # 选择 Action
+    action_col1, action_col2 = st.columns([1, 2])
+    with action_col1:
+        action = st.selectbox(
+        "操作",
+        options=["auto", "query", "translate", "daily", "extract"],
+        index=["auto", "query", "translate", "daily", "extract"].index(st.session_state.dict_action),
+        key="dict_action_selector"
+    )
+    with action_col2:
+        query = st.text_input("查询内容", value=st.session_state.dict_query, key="dict_query_input")
+    
+    # 按钮行
+    btn_col1, btn_col2, btn_col3 = st.columns([1, 1, 1])
+    with btn_col1:
+        if st.button("▶️ 运行", key="dict_run", use_container_width=True):
+            st.session_state.dict_action = action
+            st.session_state.dict_query = query
+            with st.spinner("调用子图中..."):
+                result = api_client.call_dictionary_subgraph(action, query)
+                st.session_state.dict_result = result
+                st.session_state.dict_confirm = False
+                st.rerun()
+    
+    # 显示结果
+    if st.session_state.dict_result:
+        result = st.session_state.dict_result
+        
+        if result.get("success"):
+            st.success("✅ 调用成功")
+            st.markdown("### 结果")
+            st.markdown(result.get("result", ""))
+            
+            # 确定/取消/继续按钮
+            confirm_col1, confirm_col2, confirm_col3 = st.columns([1, 1, 1])
+            with confirm_col1:
+                if st.button("✅ 确定", key="dict_confirm", use_container_width=True):
+                    st.session_state.dict_confirm = True
+                    st.info("已确认结果")
+            with confirm_col2:
+                if st.button("❌ 取消", key="dict_cancel", use_container_width=True):
+                    st.session_state.dict_result = None
+                    st.rerun()
+            with confirm_col3:
+                if st.button("⏭️ 继续", key="dict_continue", use_container_width=True):
+                    st.session_state.dict_confirm = True
+                    st.info("已继续")
+            
+            # 显示原始数据（可选）
+            with st.expander("🔍 原始数据", expanded=False):
+                st.json(result.get("raw_data", {}))
+        else:
+            st.error(f"❌ 调用失败: {result.get('error')}")
+
+
+def _render_news_panel():
+    """渲染资讯子图测试面板"""
+    # 会话状态管理
+    if "news_action" not in st.session_state:
+        st.session_state.news_action = "auto"
+    if "news_query" not in st.session_state:
+        st.session_state.news_query = ""
+    if "news_result" not in st.session_state:
+        st.session_state.news_result = None
+    if "news_confirm" not in st.session_state:
+        st.session_state.news_confirm = False
+    
+    # 选择 Action
+    action_col1, action_col2 = st.columns([1, 2])
+    with action_col1:
+        action = st.selectbox(
+            "操作",
+            options=["auto", "query", "analyze", "keywords", "report"],
+            index=["auto", "query", "analyze", "keywords", "report"].index(st.session_state.news_action),
+            key="news_action_selector"
+        )
+    with action_col2:
+        query = st.text_input("查询内容/URL", value=st.session_state.news_query, key="news_query_input")
+    
+    # 按钮行
+    btn_col1, btn_col2, btn_col3 = st.columns([1, 1, 1])
+    with btn_col1:
+        if st.button("▶️ 运行", key="news_run", use_container_width=True):
+            st.session_state.news_action = action
+            st.session_state.news_query = query
+            with st.spinner("调用子图中..."):
+                result = api_client.call_news_subgraph(action, query)
+                st.session_state.news_result = result
+                st.session_state.news_confirm = False
+                st.rerun()
+    
+    # 显示结果
+    if st.session_state.news_result:
+        result = st.session_state.news_result
+        
+        if result.get("success"):
+            st.success("✅ 调用成功")
+            st.markdown("### 结果")
+            st.markdown(result.get("result", ""))
+            
+            # 确定/取消/继续按钮
+            confirm_col1, confirm_col2, confirm_col3 = st.columns([1, 1, 1])
+            with confirm_col1:
+                if st.button("✅ 确定", key="news_confirm", use_container_width=True):
+                    st.session_state.news_confirm = True
+                    st.info("已确认结果")
+            with confirm_col2:
+                if st.button("❌ 取消", key="news_cancel", use_container_width=True):
+                    st.session_state.news_result = None
+                    st.rerun()
+            with confirm_col3:
+                if st.button("⏭️ 继续", key="news_continue", use_container_width=True):
+                    st.session_state.news_confirm = True
+                    st.info("已继续")
+            
+            # 显示原始数据（可选）
+            with st.expander("🔍 原始数据", expanded=False):
+                st.json(result.get("raw_data", {}))
+        else:
+            st.error(f"❌ 调用失败: {result.get('error')}")
+
+
+def _render_contact_panel():
+    """渲染通讯录子图测试面板"""
+    # 会话状态管理
+    if "contact_action" not in st.session_state:
+        st.session_state.contact_action = "auto"
+    if "contact_query" not in st.session_state:
+        st.session_state.contact_query = ""
+    if "contact_result" not in st.session_state:
+        st.session_state.contact_result = None
+    if "contact_confirm" not in st.session_state:
+        st.session_state.contact_confirm = False
+    
+    # 选择 Action
+    action_col1, action_col2 = st.columns([1, 2])
+    with action_col1:
+        action = st.selectbox(
+            "操作",
+            options=["auto", "list", "add", "emails", "draft", "sniff"],
+            index=["auto", "list", "add", "emails", "draft", "sniff"].index(st.session_state.contact_action),
+            key="contact_action_selector"
+        )
+    with action_col2:
+        query = st.text_input("查询内容", value=st.session_state.contact_query, key="contact_query_input")
+    
+    # 按钮行
+    btn_col1, btn_col2, btn_col3 = st.columns([1, 1, 1])
+    with btn_col1:
+        if st.button("▶️ 运行", key="contact_run", use_container_width=True):
+            st.session_state.contact_action = action
+            st.session_state.contact_query = query
+            with st.spinner("调用子图中..."):
+                result = api_client.call_contact_subgraph(action, query)
+                st.session_state.contact_result = result
+                st.session_state.contact_confirm = False
+                st.rerun()
+    
+    # 显示结果
+    if st.session_state.contact_result:
+        result = st.session_state.contact_result
+        
+        if result.get("success"):
+            st.success("✅ 调用成功")
+            st.markdown("### 结果")
+            st.markdown(result.get("result", ""))
+            
+            # 确定/取消/继续按钮
+            confirm_col1, confirm_col2, confirm_col3 = st.columns([1, 1, 1])
+            with confirm_col1:
+                if st.button("✅ 确定", key="contact_confirm", use_container_width=True):
+                    st.session_state.contact_confirm = True
+                    st.info("已确认结果")
+            with confirm_col2:
+                if st.button("❌ 取消", key="contact_cancel", use_container_width=True):
+                    st.session_state.contact_result = None
+                    st.rerun()
+            with confirm_col3:
+                if st.button("⏭️ 继续", key="contact_continue", use_container_width=True):
+                    st.session_state.contact_confirm = True
+                    st.info("已继续")
+            
+            # 显示原始数据（可选）
+            with st.expander("🔍 原始数据", expanded=False):
+                st.json(result.get("raw_data", {}))
+        else:
+            st.error(f"❌ 调用失败: {result.get('error')}")
diff --git a/frontend/src/frontend_main.py b/frontend/src/frontend_main.py
index c3fcfce..9018fff 100644
--- a/frontend/src/frontend_main.py
+++ b/frontend/src/frontend_main.py
@@ -19,12 +19,14 @@ if __name__ == '__main__':
     from components.sidebar import render_sidebar
     from components.chat_area import render_chat_area
     from components.info_panel import render_info_panel
+    from components.subgraph_panel import render_subgraph_panel
 else:
     from .config import config
     from .state import AppState
     from .components.sidebar import render_sidebar
     from .components.chat_area import render_chat_area
     from .components.info_panel import render_info_panel
+    from .components.subgraph_panel import render_subgraph_panel
 
 
 # =============================================================================
@@ -127,6 +129,10 @@ def main():
     
     # 中间主区域：全宽的聊天区域
     render_chat_area()
+    
+    # 底部：子图测试面板
+    st.divider()
+    render_subgraph_panel()
 
 
 if __name__ == "__main__":