diff --git a/json/distribution_agreements_list.json b/json/distribution_agreements_list.json
index 84f30b4..b55d2f7 100644
--- a/json/distribution_agreements_list.json
+++ b/json/distribution_agreements_list.json
@@ -83,6 +83,15 @@
                 "title": "产品分销折扣",
                 "url": "{{entire_url('../distribution_agreement_items_list')}}",
                 "subtable": "distribution_agreement_items"
+            },
+            {
+                "field": "contract_id",
+                "title": "合同附件",
+                "url": "{{entire_url('../api/contract_attach.ui')}}?contract_type=distribution",
+                "subtable": "contract_attach",
+                "mapping": {
+                    "contract_id": "id"
+                }
             }
         ],
         "editable": {
diff --git a/json/supply_contracts_list.json b/json/supply_contracts_list.json
index 8d7935e..a78caf1 100644
--- a/json/supply_contracts_list.json
+++ b/json/supply_contracts_list.json
@@ -88,6 +88,15 @@
                 "title": "产品折扣明细",
                 "url": "{{entire_url('../supply_contract_items_list')}}",
                 "subtable": "supply_contract_items"
+            },
+            {
+                "field": "contract_id",
+                "title": "合同附件",
+                "url": "{{entire_url('../api/contract_attach.ui')}}?contract_type=supply",
+                "subtable": "contract_attach",
+                "mapping": {
+                    "contract_id": "id"
+                }
             }
         ]
     }
diff --git a/supplychain/init.py b/supplychain/init.py
index ce9e02b..11e2a6f 100644
--- a/supplychain/init.py
+++ b/supplychain/init.py
@@ -924,4 +924,26 @@ def load_supplychain():
     env.delete_product_supplier_mapping = delete_product_supplier_mapping
     # Calculation API
     env.calculate_sale_amounts = calculate_sale_amounts
+    # Attachment folder helper
+    env.ensure_contract_folder = ensure_contract_folder
     return True
+
+
+async def ensure_contract_folder(request, contract_id, fiid):
+    """Ensure a filemgr folder exists for a contract attachment.
+    Returns the folderid (uses contract_id as folder id)."""
+    db, dbname = _get_sor()
+    async with db.sqlorContext(dbname) as sor:
+        recs = await sor.sqlExe(
+            "SELECT id FROM folder WHERE fiid=${fiid}$ AND name=${name}$",
+            {'fiid': fiid, 'name': contract_id}
+        )
+        if recs and len(recs) > 0:
+            return recs[0].id
+        # Create new folder
+        fid = getID()
+        await sor.sqlExe(
+            "INSERT INTO folder (id, parentid, fiid, name, ownerid) VALUES (${id}$, ${pid}$, ${fiid}$, ${name}$, ${oid}$)",
+            {'id': fid, 'pid': '0', 'fiid': fiid, 'name': contract_id, 'oid': '0'}
+        )
+        return fid
diff --git a/wwwroot/api/contract_attach.ui b/wwwroot/api/contract_attach.ui
new file mode 100644
index 0000000..be8a27d
--- /dev/null
+++ b/wwwroot/api/contract_attach.ui
@@ -0,0 +1,83 @@
+{% set contract_id = params_kw.get('contract_id', '') %}
+{% set contract_type = params_kw.get('contract_type', 'supply') %}
+{% if contract_type == 'supply' %}
+{% set fiid = 'supply_contract_attach' %}
+{% else %}
+{% set fiid = 'dist_agreement_attach' %}
+{% endif %}
+{% set folder = ensure_contract_folder(request, contract_id, fiid) %}
+{
+    "widgettype": "VBox",
+    "options": {
+        "width": "100%",
+        "padding": "8px"
+    },
+    "subwidgets": [
+        {
+            "widgettype": "HBox",
+            "options": {
+                "alignItems": "center",
+                "marginBottom": "12px"
+            },
+            "subwidgets": [
+                {
+                    "widgettype": "Title4",
+                    "options": {
+                        "fontWeight": "600",
+                        "otext": "合同附件",
+                        "i18n": true
+                    }
+                },
+                {
+                    "widgettype": "Filler"
+                },
+                {
+                    "widgettype": "Button",
+                    "options": {
+                        "label": "上传附件",
+                        "css": "primary",
+                        "borderRadius": "6px",
+                        "padding": "4px 12px"
+                    },
+                    "binds": [{
+                        "wid": "self",
+                        "event": "click",
+                        "actiontype": "urlwidget",
+                        "target": "PopupWindow",
+                        "popup_options": {
+                            "title": "上传附件",
+                            "width": "450px",
+                            "height": "200px",
+                            "dismiss_events": ["cancel"]
+                        },
+                        "options": {
+                            "url": "{{entire_url('/filemgr/upload_file.ui')}}?id={{folder}}&fiid={{fiid}}"
+                        }
+                    }]
+                }
+            ]
+        },
+        {
+            "widgettype": "Tabular",
+            "options": {
+                "css": "card",
+                "width": "100%",
+                "height": "auto",
+                "data_url": "{{entire_url('contract_attach_list.dspy')}}?folderid={{folder}}&fiid={{fiid}}",
+                "data_method": "GET",
+                "page_rows": 50,
+                "row_options": {
+                    "browserfields": {
+                        "exclouded": [],
+                        "cwidth": {}
+                    },
+                    "fields": [
+                        {"name": "filename", "title": "文件名", "type": "str", "uitype": "str", "label": "文件名", "cwidth": 30},
+                        {"name": "filesize", "title": "大小(bytes)", "type": "int", "uitype": "int", "label": "大小", "cwidth": 10},
+                        {"name": "filetype", "title": "类型", "type": "str", "uitype": "str", "label": "类型", "cwidth": 8}
+                    ]
+                }
+            }
+        }
+    ]
+}
diff --git a/wwwroot/api/contract_attach_list.dspy b/wwwroot/api/contract_attach_list.dspy
new file mode 100644
index 0000000..4bf175c
--- /dev/null
+++ b/wwwroot/api/contract_attach_list.dspy
@@ -0,0 +1,29 @@
+# coding=utf-8
+"""获取合同附件文件列表。
+输入: folderid, fiid
+输出: {rows: [{id, filename, filesize, filetype, webpath}]}
+"""
+folderid = params_kw.get('folderid', '')
+fiid = params_kw.get('fiid', '')
+
+if not folderid:
+    return json.dumps({'total': 0, 'rows': []})
+
+dbname = get_module_dbname('supplychain')
+db = DBPools()
+
+async with db.sqlorContext(dbname) as sor:
+    recs = await sor.sqlExe(
+        "SELECT id, name, filesize, filetype, webpath FROM file WHERE folderid=${folderid}$ AND fiid=${fiid}$ ORDER BY id",
+        {'folderid': folderid, 'fiid': fiid}
+    )
+    rows = []
+    for r in recs:
+        rows.append({
+            'id': r.id,
+            'filename': r.name,
+            'filesize': r.filesize or 0,
+            'filetype': r.filetype or '',
+            'webpath': r.webpath or ''
+        })
+    return json.dumps({'total': len(rows), 'rows': rows})