diff --git a/scripts/migrate_all.py b/scripts/migrate_all.py
index 1dca7acb..d77f0356 100644
--- a/scripts/migrate_all.py
+++ b/scripts/migrate_all.py
@@ -658,6 +658,7 @@ class MigrationRunner:
                     url=sqlite_server.url,
                     command=sqlite_server.command,
                     args=sqlite_server.args,
+                    env=getattr(sqlite_server, "env", None),
                     headers=sqlite_server.headers,
                     timeout=sqlite_server.timeout,
                     sse_read_timeout=sqlite_server.sse_read_timeout,
diff --git a/scripts/migrate_business_from_sqlite.py b/scripts/migrate_business_from_sqlite.py
index 252ee2d0..3d8447b8 100644
--- a/scripts/migrate_business_from_sqlite.py
+++ b/scripts/migrate_business_from_sqlite.py
@@ -532,6 +532,7 @@ async def migrate_mcp_servers(sqlite_reader: SQLiteReader, dry_run: bool, execut
                         url=sqlite_server.url,
                         command=sqlite_server.command,
                         args=sqlite_server.args,
+                        env=getattr(sqlite_server, "env", None),
                         headers=sqlite_server.headers,
                         timeout=sqlite_server.timeout,
                         sse_read_timeout=sqlite_server.sse_read_timeout,
diff --git a/server/routers/mcp_router.py b/server/routers/mcp_router.py
index 66b31f0d..f1c9828c 100644
--- a/server/routers/mcp_router.py
+++ b/server/routers/mcp_router.py
@@ -33,6 +33,7 @@ class CreateMcpServerRequest(BaseModel):
     url: str | None = Field(None, description="服务器 URL（sse/streamable_http）")
     command: str | None = Field(None, description="命令（stdio）")
     args: list | None = Field(None, description="命令参数数组（stdio）")
+    env: dict | None = Field(None, description="环境变量（stdio）")
     description: str | None = Field(None, description="描述")
     headers: dict | None = Field(None, description="HTTP 请求头")
     timeout: int | None = Field(None, description="HTTP 超时时间（秒）")
@@ -46,6 +47,7 @@ class UpdateMcpServerRequest(BaseModel):
     url: str | None = Field(None, description="服务器 URL")
     command: str | None = Field(None, description="命令（stdio）")
     args: list | None = Field(None, description="命令参数数组（stdio）")
+    env: dict | None = Field(None, description="环境变量（stdio）")
     description: str | None = Field(None, description="描述")
     headers: dict | None = Field(None, description="HTTP 请求头")
     timeout: int | None = Field(None, description="HTTP 超时时间（秒）")
@@ -112,6 +114,7 @@ async def create_mcp_server_route(
             url=request.url,
             command=request.command,
             args=request.args,
+            env=request.env,
             description=request.description,
             headers=request.headers,
             timeout=request.timeout,
@@ -159,6 +162,11 @@ async def update_mcp_server_route(
         raise HTTPException(status_code=400, detail=f"传输类型必须是 {', '.join(valid_transports)} 之一")
 
     try:
+        fields_set = getattr(request, "model_fields_set", getattr(request, "__fields_set__", set()))
+        update_kwargs = {}
+        if "env" in fields_set:
+            update_kwargs["env"] = request.env
+
         server = await update_mcp_server(
             db,
             name=name,
@@ -173,6 +181,7 @@ async def update_mcp_server_route(
             tags=request.tags,
             icon=request.icon,
             updated_by=current_user.username,
+            **update_kwargs,
         )
         return {"success": True, "data": server.to_dict()}
     except ValueError as ve:
diff --git a/src/services/mcp_service.py b/src/services/mcp_service.py
index d3d9da0e..4385820b 100644
--- a/src/services/mcp_service.py
+++ b/src/services/mcp_service.py
@@ -35,6 +35,7 @@ _mcp_tools_stats: dict[str, dict[str, int]] = {}
 
 # MCP Server configurations (Runtime cache, loaded from DB)
 MCP_SERVERS: dict[str, dict[str, Any]] = {}
+_UNSET = object()
 
 # Default MCP Server configurations (Imported to DB on first run)
 _DEFAULT_MCP_SERVERS = {
@@ -130,6 +131,7 @@ async def init_mcp_servers() -> None:
                         url=config.get("url"),
                         command=config.get("command"),
                         args=config.get("args"),
+                        env=config.get("env"),
                         headers=config.get("headers"),
                         timeout=config.get("timeout"),
                         sse_read_timeout=config.get("sse_read_timeout"),
@@ -155,6 +157,7 @@ async def init_mcp_servers() -> None:
                             url=config.get("url"),
                             command=config.get("command"),
                             args=config.get("args"),
+                            env=config.get("env"),
                             headers=config.get("headers"),
                             timeout=config.get("timeout"),
                             sse_read_timeout=config.get("sse_read_timeout"),
@@ -368,6 +371,7 @@ async def create_mcp_server(
     url: str = None,
     command: str = None,
     args: list = None,
+    env: dict = None,
     description: str = None,
     headers: dict = None,
     timeout: int = None,
@@ -389,6 +393,7 @@ async def create_mcp_server(
         url=url,
         command=command,
         args=args,
+        env=env,
         headers=headers,
         timeout=timeout,
         sse_read_timeout=sse_read_timeout,
@@ -417,6 +422,7 @@ async def update_mcp_server(
     url: str = None,
     command: str = None,
     args: list = None,
+    env: Any = _UNSET,
     headers: dict = None,
     timeout: int = None,
     sse_read_timeout: int = None,
@@ -439,6 +445,8 @@ async def update_mcp_server(
         server.command = command
     if args is not None:
         server.args = args
+    if env is not _UNSET:
+        server.env = env
     if headers is not None:
         server.headers = headers
     if timeout is not None:
diff --git a/src/storage/db/models.py b/src/storage/db/models.py
index c1edfc3e..7c464c05 100644
--- a/src/storage/db/models.py
+++ b/src/storage/db/models.py
@@ -341,6 +341,7 @@ class MCPServer(Base):
     url = Column(String(500), nullable=True, comment="服务器 URL（sse/streamable_http）")
     command = Column(String(500), nullable=True, comment="命令（stdio）")
     args = Column(JSON, nullable=True, comment="命令参数数组（stdio）")
+    env = Column(JSON, nullable=True, comment="环境变量（stdio）")
     headers = Column(JSON, nullable=True, comment="HTTP 请求头")
     timeout = Column(Integer, nullable=True, comment="HTTP 超时时间（秒）")
     sse_read_timeout = Column(Integer, nullable=True, comment="SSE 读取超时（秒）")
@@ -369,6 +370,7 @@ class MCPServer(Base):
             "url": self.url,
             "command": self.command,
             "args": self.args or [],
+            "env": self.env or {},
             "headers": self.headers or {},
             "timeout": self.timeout,
             "sse_read_timeout": self.sse_read_timeout,
@@ -402,6 +404,14 @@ class MCPServer(Base):
                     config["args"] = json.loads(self.args)
                 except json.JSONDecodeError:
                     pass
+        if self.transport == "stdio" and self.env:
+            if isinstance(self.env, dict):
+                config["env"] = self.env
+            elif isinstance(self.env, str):
+                try:
+                    config["env"] = json.loads(self.env)
+                except json.JSONDecodeError:
+                    pass
         # headers 只用于 sse/streamable_http 传输类型
         if self.transport in ("sse", "streamable_http") and self.headers:
             if isinstance(self.headers, dict):
diff --git a/src/storage/postgres/manager.py b/src/storage/postgres/manager.py
index 390f00f4..b499a568 100644
--- a/src/storage/postgres/manager.py
+++ b/src/storage/postgres/manager.py
@@ -171,6 +171,7 @@ class PostgresManager(metaclass=SingletonMeta):
             "ALTER TABLE IF EXISTS skills ADD COLUMN IF NOT EXISTS tool_dependencies JSONB DEFAULT '[]'::jsonb",
             "ALTER TABLE IF EXISTS skills ADD COLUMN IF NOT EXISTS mcp_dependencies JSONB DEFAULT '[]'::jsonb",
             "ALTER TABLE IF EXISTS skills ADD COLUMN IF NOT EXISTS skill_dependencies JSONB DEFAULT '[]'::jsonb",
+            "ALTER TABLE IF EXISTS mcp_servers ADD COLUMN IF NOT EXISTS env JSONB",
         ]
         async with self.async_engine.begin() as conn:
             for stmt in stmts:
diff --git a/src/storage/postgres/models_business.py b/src/storage/postgres/models_business.py
index a5e7cabd..b7e57478 100644
--- a/src/storage/postgres/models_business.py
+++ b/src/storage/postgres/models_business.py
@@ -416,6 +416,7 @@ class MCPServer(Base):
     url = Column(String(500), nullable=True, comment="服务器 URL（sse/streamable_http）")
     command = Column(String(500), nullable=True, comment="命令（stdio）")
     args = Column(JSON, nullable=True, comment="命令参数数组（stdio）")
+    env = Column(JSON, nullable=True, comment="环境变量（stdio）")
     headers = Column(JSON, nullable=True, comment="HTTP 请求头")
     timeout = Column(Integer, nullable=True, comment="HTTP 超时时间（秒）")
     sse_read_timeout = Column(Integer, nullable=True, comment="SSE 读取超时（秒）")
@@ -444,6 +445,7 @@ class MCPServer(Base):
             "url": self.url,
             "command": self.command,
             "args": self.args or [],
+            "env": self.env or {},
             "headers": self.headers or {},
             "timeout": self.timeout,
             "sse_read_timeout": self.sse_read_timeout,
@@ -475,6 +477,14 @@ class MCPServer(Base):
                     config["args"] = json.loads(self.args)
                 except json.JSONDecodeError:
                     pass
+        if self.transport == "stdio" and self.env:
+            if isinstance(self.env, dict):
+                config["env"] = self.env
+            elif isinstance(self.env, str):
+                try:
+                    config["env"] = json.loads(self.env)
+                except json.JSONDecodeError:
+                    pass
         # headers 只用于 sse/streamable_http 传输类型
         if self.transport in ("sse", "streamable_http") and self.headers:
             if isinstance(self.headers, dict):
diff --git a/web/src/components/McpEnvEditor.vue b/web/src/components/McpEnvEditor.vue
new file mode 100644
index 00000000..77600c49
--- /dev/null
+++ b/web/src/components/McpEnvEditor.vue
@@ -0,0 +1,145 @@
+<template>
+  <div class="env-editor">
+    <div v-for="(row, index) in rows" :key="index" class="env-row">
+      <a-input v-model:value="row.key" placeholder="Key" class="env-key-input" />
+      <a-input v-model:value="row.value" placeholder="Value" class="env-value-input" />
+      <a-button
+        size="small"
+        type="text"
+        danger
+        @click="removeRow(index)"
+        :disabled="rows.length === 1"
+      >
+        删除
+      </a-button>
+    </div>
+    <a-button size="small" @click="addRow">
+      <template #icon><PlusOutlined /></template>
+      添加变量
+    </a-button>
+  </div>
+</template>
+
+<script setup>
+import { ref, watch } from 'vue'
+import { PlusOutlined } from '@ant-design/icons-vue'
+
+const props = defineProps({
+  modelValue: {
+    type: Object,
+    default: null
+  }
+})
+
+const emit = defineEmits(['update:modelValue'])
+
+const rows = ref([{ key: '', value: '' }])
+const syncingFromObject = ref(false)
+
+const objectToRows = (envObj) => {
+  if (!envObj || typeof envObj !== 'object') {
+    return [{ key: '', value: '' }]
+  }
+  const entries = Object.entries(envObj)
+  if (entries.length === 0) {
+    return [{ key: '', value: '' }]
+  }
+  return entries.map(([key, value]) => ({
+    key,
+    value: value == null ? '' : String(value)
+  }))
+}
+
+const normalizeEnvObject = (value) => {
+  if (value == null) {
+    return null
+  }
+  if (typeof value === 'string') {
+    try {
+      const parsed = JSON.parse(value)
+      if (parsed && typeof parsed === 'object' && !Array.isArray(parsed)) {
+        return parsed
+      }
+    } catch {
+      return null
+    }
+    return null
+  }
+  if (typeof value === 'object' && !Array.isArray(value)) {
+    return value
+  }
+  return null
+}
+
+const rowsToObject = (rowsValue) => {
+  const entries = rowsValue
+    .map((row) => ({
+      key: row.key.trim(),
+      value: row.value
+    }))
+    .filter((row) => row.key)
+  if (entries.length === 0) {
+    return null
+  }
+  return Object.fromEntries(entries.map((row) => [row.key, row.value]))
+}
+
+const addRow = () => {
+  rows.value.push({ key: '', value: '' })
+}
+
+const removeRow = (index) => {
+  if (rows.value.length === 1) {
+    rows.value[0].key = ''
+    rows.value[0].value = ''
+    return
+  }
+  rows.value.splice(index, 1)
+}
+
+watch(
+  () => props.modelValue,
+  (value) => {
+    syncingFromObject.value = true
+    const normalized = normalizeEnvObject(value)
+    if (!normalized) {
+      rows.value = [{ key: '', value: '' }]
+    } else {
+      rows.value = objectToRows(normalized)
+    }
+    syncingFromObject.value = false
+  },
+  { immediate: true }
+)
+
+watch(
+  rows,
+  (value) => {
+    if (syncingFromObject.value) {
+      return
+    }
+    const obj = rowsToObject(value)
+    emit('update:modelValue', obj)
+  },
+  { deep: true }
+)
+</script>
+
+<style lang="less" scoped>
+.env-editor {
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+
+  .env-row {
+    display: flex;
+    gap: 8px;
+    align-items: center;
+
+    .env-key-input,
+    .env-value-input {
+      flex: 1;
+    }
+  }
+}
+</style>
diff --git a/web/src/components/McpServerDetailModal.vue b/web/src/components/McpServerDetailModal.vue
index 631ca69d..fb9fead6 100644
--- a/web/src/components/McpServerDetailModal.vue
+++ b/web/src/components/McpServerDetailModal.vue
@@ -78,6 +78,10 @@
                     </a-tag>
                   </span>
                 </div>
+                <div class="info-item" v-if="server.env && Object.keys(server.env).length > 0">
+                  <label>环境变量</label>
+                  <pre class="headers-pre">{{ JSON.stringify(server.env, null, 2) }}</pre>
+                </div>
               </template>
 
               <div class="info-item" v-if="server.description">
diff --git a/web/src/components/McpServersComponent.vue b/web/src/components/McpServersComponent.vue
index 0066a723..ff237394 100644
--- a/web/src/components/McpServersComponent.vue
+++ b/web/src/components/McpServersComponent.vue
@@ -214,7 +214,7 @@
         </template>
 
         <!-- StdIO 类型 -->
-        <template v-if="form.transport === 'stdio'">
+        <template v-if="isStdioTransport">
           <a-form-item label="命令" required class="form-item">
             <a-input v-model:value="form.command" placeholder="例如：npx 或 /path/to/server" />
           </a-form-item>
@@ -227,6 +227,10 @@
               style="width: 100%"
             />
           </a-form-item>
+
+          <a-form-item label="环境变量" class="form-item">
+            <McpEnvEditor v-model="form.env" />
+          </a-form-item>
         </template>
 
         <a-form-item label="标签" class="form-item">
@@ -283,6 +287,7 @@ import {
 } from '@ant-design/icons-vue'
 import { mcpApi } from '@/apis/mcp_api'
 import McpServerDetailModal from './McpServerDetailModal.vue'
+import McpEnvEditor from './McpEnvEditor.vue'
 
 // 状态
 const loading = ref(false)
@@ -304,6 +309,7 @@ const form = reactive({
   url: '',
   command: '',
   args: [],
+  env: null,
   headersText: '',
   timeout: null,
   sse_read_timeout: null,
@@ -321,6 +327,10 @@ const httpCount = computed(
 )
 const sseCount = computed(() => servers.value.filter((s) => s.transport === 'sse').length)
 const stdioCount = computed(() => servers.value.filter((s) => s.transport === 'stdio').length)
+const envEditorKey = computed(() => `${form.name}-${form.transport}`)
+const isStdioTransport = computed(
+  () => String(form.transport || '').trim().toLowerCase() === 'stdio'
+)
 
 // 获取服务器列表
 const fetchServers = async () => {
@@ -352,6 +362,7 @@ const showAddModal = () => {
     url: '',
     command: '',
     args: [],
+    env: null,
     headersText: '',
     timeout: null,
     sse_read_timeout: null,
@@ -362,8 +373,7 @@ const showAddModal = () => {
   formModalVisible.value = true
 }
 
-// 显示编辑模态框
-const showEditModal = (server) => {
+const applyServerToForm = (server) => {
   editMode.value = true
   formMode.value = 'form'
   Object.assign(form, {
@@ -373,6 +383,7 @@ const showEditModal = (server) => {
     url: server.url || '',
     command: server.command || '',
     args: server.args || [],
+    env: server.env || null,
     headersText: server.headers ? JSON.stringify(server.headers, null, 2) : '',
     timeout: server.timeout,
     sse_read_timeout: server.sse_read_timeout,
@@ -382,6 +393,20 @@ const showEditModal = (server) => {
   formModalVisible.value = true
 }
 
+// 显示编辑模态框
+const showEditModal = async (server) => {
+  try {
+    const result = await mcpApi.getMcpServer(server.name)
+    if (result.success && result.data) {
+      applyServerToForm(result.data)
+      return
+    }
+  } catch (err) {
+    console.error('获取服务器详情失败，回退使用列表数据:', err)
+  }
+  applyServerToForm(server)
+}
+
 // 显示详情模态框
 const showDetailModal = (server) => {
   selectedServer.value = server
@@ -420,6 +445,7 @@ const handleFormSubmit = async () => {
         url: form.url || null,
         command: form.command || null,
         args: form.args.length > 0 ? form.args : null,
+        env: form.env,
         headers,
         timeout: form.timeout || null,
         sse_read_timeout: form.sse_read_timeout || null,
@@ -577,6 +603,7 @@ const parseJsonToForm = () => {
       url: obj.url || '',
       command: obj.command || '',
       args: obj.args || [],
+      env: obj.env || null,
       headersText: obj.headers ? JSON.stringify(obj.headers, null, 2) : '',
       timeout: obj.timeout || null,
       sse_read_timeout: obj.sse_read_timeout || null,