diff --git a/src/InputMethodConfig.vue b/src/InputMethodConfig.vue
index 49b9bb8..e7c3cc7 100644
--- a/src/InputMethodConfig.vue
+++ b/src/InputMethodConfig.vue
@@ -1,10 +1,14 @@
-<script setup lang="ts">
-import { computed, h, ref } from 'vue'
+<script lang="ts">
+import { computed, h, ref, watchEffect } from 'vue'
 import type { MenuOption } from 'naive-ui'
-import { NLayout, NLayoutSider, NMenu } from 'naive-ui'
+import { NButton, NCheckbox, NCheckboxGroup, NFlex, NLayout, NLayoutFooter, NLayoutSider, NMenu } from 'naive-ui'
 import MinusButton from './MinusButton.vue'
 import PlusButton from './PlusButton.vue'
 
+const languageName = new Intl.DisplayNames(navigator.language, { type: 'language' })
+</script>
+
+<script setup lang="ts">
 const props = defineProps<{
   inputMethod: string
   inputMethods: {
@@ -47,6 +51,73 @@ function labelWithMinus(option: MenuOption) {
 }
 
 const collapsed = ref(false)
+const adding = ref(false)
+
+const selectedLanguage = ref<string | null>(null)
+
+const availableInputMethodOptions = ref<{
+  label: string
+  key: string
+}[]>([])
+
+let map: { [key: string]: {
+  name: string
+  displayName: string
+}[] } = {}
+
+watchEffect(() => {
+  if (!adding.value) {
+    return
+  }
+  map = {}
+  for (const im of window.fcitx.getAllInputMethods()) {
+    const code = im.languageCode.replace('_', '-');
+    (map[code] = map[code] || []).push({
+      name: im.name,
+      displayName: im.displayName,
+    })
+  }
+  availableInputMethodOptions.value = []
+  const sortedLanguageCodes = Object.keys(map).sort((a: string, b: string) => {
+    if (!a) {
+      return 1
+    }
+    if (!b) {
+      return -1
+    }
+    const la = languageName.of(a) ?? a
+    const lb = languageName.of(b) ?? b
+    if (a === la && b !== lb) {
+      return 1
+    }
+    if (a !== la && b === lb) {
+      return -1
+    }
+    return la.localeCompare(lb)
+  })
+  for (const languageCode of sortedLanguageCodes) {
+    availableInputMethodOptions.value.push({
+      label: languageCode ? (languageName.of(languageCode) ?? languageCode) : languageCode,
+      key: languageCode,
+    })
+  }
+})
+
+const inputMethodsForLanguage = computed(() => {
+  if (!selectedLanguage.value) {
+    return []
+  }
+  const enabledIMs = props.inputMethods.map(({ name }) => name)
+  return map[selectedLanguage.value].filter(({ name }) => !enabledIMs.includes(name))
+})
+
+const imsToAdd = ref<string[]>([])
+
+function add() {
+  window.fcitx.setInputMethods(props.inputMethods.map(({ name }) => name).concat(imsToAdd.value))
+  window.fcitx.updateStatusArea()
+  imsToAdd.value = []
+}
 </script>
 
 <template>
@@ -56,10 +127,20 @@ const collapsed = ref(false)
       collapse-mode="width"
       :collapsed="collapsed"
       show-trigger
+      style="max-height: calc(100vh - 100px)"
       @collapse="collapsed = true"
       @expand="collapsed = false"
     >
-      <div style="display: flex; flex-direction: column; justify-content: space-between; height: 100%">
+      <div v-if="adding">
+        <NMenu
+          v-model:value="selectedLanguage"
+          :options="availableInputMethodOptions"
+        />
+      </div>
+      <div
+        v-else
+        style="display: flex; flex-direction: column; justify-content: space-between; height: 100%"
+      >
         <NMenu
           v-model:value="selectedInputMethod"
           :collapsed="collapsed"
@@ -67,11 +148,48 @@ const collapsed = ref(false)
           :options="options"
           :render-label="labelWithMinus"
         />
-        <PlusButton style="align-self: flex-end" />
+        <PlusButton
+          style="align-self: flex-end"
+          @click="adding = true"
+        />
       </div>
     </NLayoutSider>
-    <NLayout style="min-height: 480px">
-      {{ selectedInputMethod }}
+    <NLayout style="min-height: 480px; max-height: calc(100vh - 100px)">
+      <template v-if="adding">
+        <NLayout position="absolute" style="bottom: 50px; padding: 16px 0 16px 16px">
+          <NCheckboxGroup v-model:value="imsToAdd">
+            <NFlex vertical>
+              <NCheckbox
+                v-for="im of inputMethodsForLanguage"
+                :key="im.name"
+                :value="im.name"
+                :label="im.displayName"
+              />
+            </NFlex>
+          </NCheckboxGroup>
+        </NLayout>
+        <NLayoutFooter position="absolute">
+          <NFlex
+            justify="end"
+            style="padding: 8px"
+          >
+            <NButton secondary @click="adding = false">
+              Cancel
+            </NButton>
+            <NButton
+              secondary
+              type="info"
+              :disabled="imsToAdd.length === 0"
+              @click="add"
+            >
+              Add
+            </NButton>
+          </NFlex>
+        </NLayoutFooter>
+      </template>
+      <div v-else>
+        {{ selectedInputMethod }}
+      </div>
     </NLayout>
   </NLayout>
 </template>