diff --git a/src/components/modification-create-modal/index.tsx b/src/components/modification-create-modal/index.tsx
new file mode 100644
index 0000000..905aef5
--- /dev/null
+++ b/src/components/modification-create-modal/index.tsx
@@ -0,0 +1,100 @@
+import { useEffect, useState } from "react"
+import { App, Form, Modal } from "antd"
+import { ModificationApi } from "@/api"
+import ModificationForm from "@/components/modification-form"
+import { Modification, ModificationRequest } from "@/types"
+
+interface ModificationCreateModalProps {
+  open: boolean
+  defaultFirearmId?: number
+  lockedFirearmId?: number
+  onCancel: () => void
+  onSuccess: (modification: Modification) => void
+}
+
+function normalizeRequest(values: ModificationRequest): ModificationRequest {
+  return {
+    firearmId: values.firearmId,
+    name: values.name.trim(),
+    code: values.code.trim(),
+    tags: values.tags?.map((tag) => tag.trim()).filter(Boolean) || [],
+    note: values.note?.trim() || undefined,
+    author: values.author?.trim() || undefined,
+    videoUrl: values.videoUrl?.trim() || undefined,
+    accessories: (values.accessories || []).map((accessory) => ({
+      slotName: accessory.slotName.trim(),
+      accessoryName: accessory.accessoryName.trim(),
+      tunings: (accessory.tunings || []).map((tuning) => ({
+        tuningName: tuning.tuningName.trim(),
+        tuningValue: tuning.tuningValue,
+      })),
+    })),
+  }
+}
+
+export default function ModificationCreateModal({
+  open,
+  defaultFirearmId,
+  lockedFirearmId,
+  onCancel,
+  onSuccess,
+}: ModificationCreateModalProps) {
+  const { message } = App.useApp()
+  const [form] = Form.useForm<ModificationRequest>()
+  const [loading, setLoading] = useState(false)
+
+  useEffect(() => {
+    if (!open) {
+      return
+    }
+
+    form.setFieldsValue({
+      firearmId: lockedFirearmId ?? defaultFirearmId,
+      accessories: [{ slotName: "", accessoryName: "", tunings: [] }],
+      tags: [],
+    })
+  }, [open, defaultFirearmId, lockedFirearmId, form])
+
+  async function onFinish(values: ModificationRequest) {
+    setLoading(true)
+    try {
+      const modification = await ModificationApi.addModification(
+        normalizeRequest({
+          ...values,
+          firearmId: lockedFirearmId ?? values.firearmId,
+        })
+      )
+      message.success("改枪码创建成功")
+      form.resetFields()
+      onSuccess(modification)
+    } catch {
+      message.error("改枪码创建失败，请稍后重试")
+    } finally {
+      setLoading(false)
+    }
+  }
+
+  return (
+    <Modal
+      title="新建改枪"
+      open={open}
+      onCancel={onCancel}
+      onOk={() => form.submit()}
+      okText="创建"
+      cancelText="取消"
+      confirmLoading={loading}
+      width={820}
+      destroyOnHidden
+      afterOpenChange={(visible) => {
+        if (!visible) {
+          form.resetFields()
+        }
+      }}
+    >
+      <ModificationForm form={form} onFinish={onFinish} lockFirearmId={lockedFirearmId} />
+    </Modal>
+  )
+}
+
+
+
diff --git a/src/components/modification-edit-modal/index.tsx b/src/components/modification-edit-modal/index.tsx
new file mode 100644
index 0000000..6ba8c63
--- /dev/null
+++ b/src/components/modification-edit-modal/index.tsx
@@ -0,0 +1,100 @@
+import { useEffect, useState } from "react"
+import { App, Form, Modal } from "antd"
+import { ModificationApi } from "@/api"
+import ModificationForm from "@/components/modification-form"
+import { Modification, ModificationRequest } from "@/types"
+
+interface ModificationEditModalProps {
+  open: boolean
+  modification: Modification | null
+  lockedFirearmId?: number
+  onCancel: () => void
+  onSuccess: (modification: Modification) => void
+}
+
+function normalizeRequest(values: ModificationRequest): ModificationRequest {
+  return {
+    firearmId: values.firearmId,
+    name: values.name.trim(),
+    code: values.code.trim(),
+    tags: values.tags?.map((tag) => tag.trim()).filter(Boolean) || [],
+    note: values.note?.trim() || undefined,
+    author: values.author?.trim() || undefined,
+    videoUrl: values.videoUrl?.trim() || undefined,
+    accessories: (values.accessories || []).map((accessory) => ({
+      slotName: accessory.slotName.trim(),
+      accessoryName: accessory.accessoryName.trim(),
+      tunings: (accessory.tunings || []).map((tuning) => ({
+        tuningName: tuning.tuningName.trim(),
+        tuningValue: tuning.tuningValue,
+      })),
+    })),
+  }
+}
+
+export default function ModificationEditModal({
+  open,
+  modification,
+  lockedFirearmId,
+  onCancel,
+  onSuccess,
+}: ModificationEditModalProps) {
+  const { message } = App.useApp()
+  const [form] = Form.useForm<ModificationRequest>()
+  const [loading, setLoading] = useState(false)
+
+  useEffect(() => {
+    if (!open || !modification) {
+      return
+    }
+
+    const { id: _id, ...editableValues } = modification
+    form.setFieldsValue({
+      ...editableValues,
+      firearmId: lockedFirearmId ?? editableValues.firearmId,
+      tags: editableValues.tags || [],
+      accessories: editableValues.accessories || [],
+    })
+  }, [open, modification, lockedFirearmId, form])
+
+  async function onFinish(values: ModificationRequest) {
+    if (!modification) {
+      return
+    }
+
+    setLoading(true)
+    try {
+      const updated = await ModificationApi.editModification(
+        modification.id,
+        normalizeRequest({
+          ...values,
+          firearmId: lockedFirearmId ?? values.firearmId,
+        })
+      )
+      message.success("改枪码更新成功")
+      onSuccess(updated)
+    } catch {
+      message.error("改枪码更新失败，请稍后重试")
+    } finally {
+      setLoading(false)
+    }
+  }
+
+  return (
+    <Modal
+      title="编辑改枪"
+      open={open}
+      onCancel={onCancel}
+      onOk={() => form.submit()}
+      okText="保存"
+      cancelText="取消"
+      confirmLoading={loading}
+      width={820}
+      destroyOnHidden
+    >
+      <ModificationForm form={form} onFinish={onFinish} lockFirearmId={lockedFirearmId} />
+    </Modal>
+  )
+}
+
+
diff --git a/src/components/modification-form/index.tsx b/src/components/modification-form/index.tsx
new file mode 100644
index 0000000..2c0cdd1
--- /dev/null
+++ b/src/components/modification-form/index.tsx
@@ -0,0 +1,209 @@
+import { useEffect, useMemo, useState } from "react"
+import { FirearmApi } from "@/api"
+import slotNames from "@/constant/slots.json"
+import { Firearm, ModificationRequest } from "@/types"
+import { AutoComplete, Button, Card, Form, Input, InputNumber, Select, Space } from "antd"
+
+interface ModificationFormProps {
+  form: ReturnType<typeof Form.useForm<ModificationRequest>>[0]
+  onFinish: (values: ModificationRequest) => void
+  lockFirearmId?: number
+}
+
+const slotOptions = slotNames.map((slotName) => ({ value: slotName }))
+
+export default function ModificationForm({ form, onFinish, lockFirearmId }: ModificationFormProps) {
+  const [firearmOptions, setFirearmOptions] = useState<Array<{ value: number; label: string }>>([])
+  const [firearmLoading, setFirearmLoading] = useState(false)
+
+  useEffect(() => {
+    let active = true
+
+    async function loadAllFirearms() {
+      setFirearmLoading(true)
+      try {
+        const allFirearms: Firearm[] = []
+        let page = 0
+        let totalPages = 1
+
+        while (page < totalPages) {
+          const paged = await FirearmApi.getFirearms({
+            page,
+            size: 100,
+            sortBy: "id",
+            direction: "ASC",
+          })
+
+          allFirearms.push(...paged.items)
+          totalPages = paged.totalPages
+          page += 1
+        }
+
+        if (!active) {
+          return
+        }
+
+        setFirearmOptions(
+          allFirearms.map((firearm) => ({
+            value: firearm.id,
+            label: `${firearm.name}`,
+          }))
+        )
+      } finally {
+        if (active) {
+          setFirearmLoading(false)
+        }
+      }
+    }
+
+    void loadAllFirearms()
+
+    return () => {
+      active = false
+    }
+  }, [])
+
+  const mergedFirearmOptions = useMemo(() => {
+    if (lockFirearmId === undefined || firearmOptions.some((option) => option.value === lockFirearmId)) {
+      return firearmOptions
+    }
+
+    return [{ value: lockFirearmId, label: `武器 ID: ${lockFirearmId}` }, ...firearmOptions]
+  }, [firearmOptions, lockFirearmId])
+
+  return (
+    <Form<ModificationRequest>
+      form={form}
+      layout="vertical"
+      onFinish={onFinish}
+      requiredMark={false}>
+      <Form.Item<ModificationRequest>
+        name="firearmId"
+        label="武器"
+        rules={[{ required: true, message: "请输入武器" }]}>
+        <Select<number>
+          className="w-full"
+          placeholder="请选择武器"
+          options={mergedFirearmOptions}
+          loading={firearmLoading}
+          disabled={lockFirearmId !== undefined}
+          showSearch={{
+            filterOption: (input, option) => {
+              const labelText = String(option?.label ?? "")
+              return labelText.toLowerCase().includes(input.toLowerCase())
+            },
+          }}
+        />
+      </Form.Item>
+
+      <Form.Item<ModificationRequest>
+        name="name"
+        label="改装名称"
+        rules={[{ required: true, message: "请输入改装名称" }]}>
+        <Input placeholder="请输入改装名称" />
+      </Form.Item>
+
+      <Form.Item<ModificationRequest>
+        name="code"
+        label="改枪码"
+        rules={[{ required: true, message: "请输入改枪码" }]}>
+        <Input placeholder="请输入改枪码" />
+      </Form.Item>
+
+      <Form.Item<ModificationRequest> name="tags" label="标签">
+        <Select mode="tags" tokenSeparators={[",", " "]} placeholder="可选：输入后回车" />
+      </Form.Item>
+
+      <Form.Item<ModificationRequest> name="author" label="作者">
+        <Input placeholder="可选：请输入作者" />
+      </Form.Item>
+
+      <Form.Item<ModificationRequest> name="videoUrl" label="视频链接">
+        <Input placeholder="可选：请输入视频链接" />
+      </Form.Item>
+
+      <Form.Item<ModificationRequest> name="note" label="备注">
+        <Input.TextArea rows={3} placeholder="可选：补充说明" />
+      </Form.Item>
+
+      <Form.List name="accessories">
+        {(accessoryFields, { add: addAccessory, remove: removeAccessory }) => (
+          <div className="flex flex-col gap-4">
+            {accessoryFields.map((accessoryField) => (
+              <Card
+                key={accessoryField.key}
+                title={`配件 ${accessoryField.name + 1}`}
+                size="small"
+                extra={
+                  <Button
+                    danger
+                    type="link"
+                    size="small"
+                    onClick={() => removeAccessory(accessoryField.name)}>
+                    删除配件
+                  </Button>
+                }>
+                <Form.Item
+                  name={[accessoryField.name, "slotName"]}
+                  label="槽位"
+                  rules={[{ required: true, message: "请选择或输入槽位" }]}>
+                  <AutoComplete options={slotOptions} placeholder="请选择或输入槽位" />
+                </Form.Item>
+
+                <Form.Item
+                  name={[accessoryField.name, "accessoryName"]}
+                  label="配件名称"
+                  rules={[{ required: true, message: "请输入配件名称" }]}>
+                  <Input placeholder="请输入配件名称" />
+                </Form.Item>
+
+                <Form.List name={[accessoryField.name, "tunings"]}>
+                  {(tuningFields, { add: addTuning, remove: removeTuning }) => (
+                    <div className="flex flex-col gap-3">
+                      {tuningFields.map((tuningField) => (
+                        <Space key={tuningField.key} align="start" className="w-full" wrap>
+                          <Form.Item
+                            name={[tuningField.name, "tuningName"]}
+                            label="调校项"
+                            rules={[{ required: true, message: "请输入调校项" }]}>
+                            <Input placeholder="例如：后坐控制" className="w-44" />
+                          </Form.Item>
+                          <Form.Item
+                            name={[tuningField.name, "tuningValue"]}
+                            label="调校值"
+                            rules={[{ required: true, message: "请输入调校值" }]}>
+                            <InputNumber className="w-32" placeholder="例如：0.35" />
+                          </Form.Item>
+                          <Button
+                            type="link"
+                            danger
+                            className="mt-8"
+                            onClick={() => removeTuning(tuningField.name)}>
+                            删除
+                          </Button>
+                        </Space>
+                      ))}
+                      <Button
+                        type="dashed"
+                        onClick={() => addTuning({ tuningName: "", tuningValue: 0 })}>
+                        添加调校
+                      </Button>
+                    </div>
+                  )}
+                </Form.List>
+              </Card>
+            ))}
+            <Button
+              type="dashed"
+              onClick={() => addAccessory({ slotName: "", accessoryName: "", tunings: [] })}>
+              添加配件
+            </Button>
+          </div>
+        )}
+      </Form.List>
+    </Form>
+  )
+}
+
+
+
diff --git a/src/constant/slots.json b/src/constant/slots.json
new file mode 100644
index 0000000..a45a22b
--- /dev/null
+++ b/src/constant/slots.json
@@ -0,0 +1,22 @@
+[
+  "枪口",
+  "左导轨",
+  "右导轨",
+  "枪管",
+  "左贴片",
+  "右贴片",
+  "上导轨",
+  "上贴片",
+  "下导轨",
+  "瞄准镜",
+  "战术设备",
+  "增高座瞄具",
+  "侧瞄具",
+  "枪托",
+  "枪托套件",
+  "后握把",
+  "前握把",
+  "导轨脚架",
+  "弹匣座",
+  "弹匣"
+]
diff --git a/src/page/mod-codes/index.tsx b/src/page/mod-codes/index.tsx
index fa122b4..4695d7e 100644
--- a/src/page/mod-codes/index.tsx
+++ b/src/page/mod-codes/index.tsx
@@ -1,7 +1,9 @@
-import { useEffect, useMemo, useState } from "react"
+import { App, Button, Card, Col, Pagination, Popconfirm, Row, Select, Space, Tag, Typography } from "antd"
+import { useCallback, useEffect, useMemo, useState } from "react"
 import { Link, useSearchParams } from "react-router-dom"
-import { Button, Card, Col, Pagination, Row, Select, Space, Tag, Typography } from "antd"
 import { ModificationApi, TagApi } from "@/api"
+import ModificationCreateModal from "@/components/modification-create-modal"
+import ModificationEditModal from "@/components/modification-edit-modal"
 import { useAppSelector } from "@/store"
 import { Modification } from "@/types"
 
@@ -9,24 +11,36 @@ const pageSize = 12
 
 export default function ModCodesPage() {
   const user = useAppSelector((state) => state.auth.user)
+  const { message } = App.useApp()
   const [searchParams] = useSearchParams()
   const firearmId = useMemo(() => searchParams.get("firearmId") || undefined, [searchParams])
+  const parsedFirearmId = useMemo(() => {
+    if (!firearmId) {
+      return undefined
+    }
+
+    const value = Number(firearmId)
+    return Number.isFinite(value) ? value : undefined
+  }, [firearmId])
 
   const [page, setPage] = useState<number>(1)
   const [modifications, setModifications] = useState<Modification[]>([])
   const [tagOptions, setTagOptions] = useState<string[]>([])
   const [selectedTags, setSelectedTags] = useState<string[]>([])
   const [total, setTotal] = useState<number>(0)
+  const [deletingId, setDeletingId] = useState<number | null>(null)
+  const [createModalOpen, setCreateModalOpen] = useState(false)
+  const [editingModification, setEditingModification] = useState<Modification | null>(null)
 
   useEffect(() => {
-    const _firearmId = firearmId ? +firearmId : (void 0)
+    const _firearmId = firearmId ? +firearmId : void 0
     TagApi.getTags(_firearmId).then((tags) => {
       setTagOptions(tags)
     })
-  }, [])
+  }, [firearmId])
 
-  useEffect(() => {
-    ModificationApi.getModifications({
+  const loadModifications = useCallback(() => {
+    return ModificationApi.getModifications({
       page: page - 1,
       size: pageSize,
       sortBy: "id",
@@ -39,6 +53,31 @@ export default function ModCodesPage() {
     })
   }, [page, firearmId, selectedTags])
 
+  useEffect(() => {
+    loadModifications()
+  }, [loadModifications])
+
+  async function handleDelete(modification: Modification) {
+    if (!user) {
+      return
+    }
+
+    setDeletingId(modification.id)
+    try {
+      await ModificationApi.removeModification(modification.id)
+      message.success("改枪码删除成功")
+      if (modifications.length === 1 && page > 1) {
+        setPage(page - 1)
+      } else {
+        loadModifications()
+      }
+    } catch {
+      message.error("改枪码删除失败，请稍后重试")
+    } finally {
+      setDeletingId(null)
+    }
+  }
+
   useEffect(() => {
     setPage(1)
   }, [firearmId])
@@ -82,21 +121,39 @@ export default function ModCodesPage() {
               </Link>
             )}
           </Space>
-          {user && <Button type="primary">添加改装</Button>}
+          {user && (
+            <Button type="primary" onClick={() => setCreateModalOpen(true)}>
+              添加改装
+            </Button>
+          )}
         </div>
       </div>
 
       <div className="mb-6">
         <Row gutter={[16, 16]}>
           {modifications.map((modification) => (
-            <Col key={modification.id} xs={24} md={12} lg={8}>
+            <Col key={modification.id} span={24}>
               <Card
                 title={modification.name}
                 extra={
                   user ? (
-                    <Button type="link" size="small">
-                      编辑
-                    </Button>
+                    <div className="flex items-center gap-1">
+                      <Button type="link" size="small" onClick={() => setEditingModification(modification)}>
+                        编辑
+                      </Button>
+                      <Popconfirm
+                        title="确认删除改枪码"
+                        description={`确定要删除 ${modification.name} 吗？该操作不可撤销。`}
+                        okText="删除"
+                        cancelText="取消"
+                        okButtonProps={{ danger: true, loading: deletingId === modification.id }}
+                        onConfirm={() => handleDelete(modification)}
+                      >
+                        <Button type="link" danger size="small" loading={deletingId === modification.id}>
+                          删除
+                        </Button>
+                      </Popconfirm>
+                    </div>
                   ) : null
                 }
                 variant="outlined"
@@ -124,14 +181,45 @@ export default function ModCodesPage() {
                     {modification.author || "未知"}
                   </Typography.Text>
 
-                  {modification.tags.length > 0 && (
+                  {(modification.tags?.length || 0) > 0 && (
                     <div className="flex flex-wrap gap-2">
-                      {modification.tags.map((tag) => (
+                      {(modification.tags || []).map((tag) => (
                         <Tag key={`${modification.id}-${tag}`}>{tag}</Tag>
                       ))}
                     </div>
                   )}
 
+                  <div>
+                    <Typography.Text strong>配件配置：</Typography.Text>
+                    {(modification.accessories?.length || 0) > 0 ? (
+                      <div className="mt-2 overflow-x-auto">
+                        <div className="grid min-w-275 grid-cols-5 gap-2">
+                          {(modification.accessories || []).map((accessory, accessoryIndex) => (
+                            <div key={`${modification.id}-accessory-${accessoryIndex}`} className="rounded border border-gray-100 p-2">
+                              <div className="flex items-center justify-between gap-2 rounded bg-gray-50 px-2 py-1">
+                                <Tag color="blue" className="mr-0">{accessory.slotName || "未填写槽位"}</Tag>
+                                <Tag className="mr-0">{accessory.accessoryName || "未填写配件"}</Tag>
+                              </div>
+                              {(accessory.tunings?.length || 0) > 0 ? (
+                                <div className="mt-2 flex flex-wrap gap-1">
+                                  {accessory.tunings.map((tuning, tuningIndex) => (
+                                    <Tag key={`${modification.id}-${accessoryIndex}-tuning-${tuningIndex}`} color="geekblue">
+                                      {tuning.tuningName || "未命名"}: {tuning.tuningValue ?? "-"}
+                                    </Tag>
+                                  ))}
+                                </div>
+                              ) : null}
+                            </div>
+                          ))}
+                        </div>
+                      </div>
+                    ) : (
+                      <Typography.Text type="secondary" className="block mt-1">
+                        暂无配件信息
+                      </Typography.Text>
+                    )}
+                  </div>
+
                   <Typography.Paragraph
                     style={{ marginBottom: 0 }}
                     type="secondary"
@@ -173,6 +261,28 @@ export default function ModCodesPage() {
           showSizeChanger={false}
         />
       </div>
+
+      <ModificationCreateModal
+        open={createModalOpen}
+        defaultFirearmId={parsedFirearmId}
+        lockedFirearmId={parsedFirearmId}
+        onCancel={() => setCreateModalOpen(false)}
+        onSuccess={() => {
+          setCreateModalOpen(false)
+          loadModifications()
+        }}
+      />
+
+      <ModificationEditModal
+        open={!!editingModification}
+        modification={editingModification}
+        lockedFirearmId={parsedFirearmId}
+        onCancel={() => setEditingModification(null)}
+        onSuccess={() => {
+          setEditingModification(null)
+          loadModifications()
+        }}
+      />
     </>
   )
 }
diff --git a/src/types/modification.ts b/src/types/modification.ts
index f1286b9..20b6e58 100644
--- a/src/types/modification.ts
+++ b/src/types/modification.ts
@@ -1,12 +1,24 @@
+export interface Tuning {
+  tuningName: string
+  tuningValue: number
+}
+
+export interface Accessory {
+  slotName: string
+  accessoryName: string
+  tunings: Tuning[]
+}
+
 export interface Modification {
   id: number
   firearmId: number
   name: string
   code: string
-  tags: string[]
-  note: string
-  author: string
-  videoUrl: string
+  tags?: string[]
+  note?: string
+  author?: string
+  videoUrl?: string,
+  accessories: Accessory[]
 }
 
 export interface ModificationRequest extends Omit<Modification, "id"> {}