diff --git a/src/components/Hanzi.vue b/src/components/Hanzi.vue
index edbaee9..b6655d5 100644
--- a/src/components/Hanzi.vue
+++ b/src/components/Hanzi.vue
@@ -2,7 +2,6 @@
 import { effect, ref } from "vue";
 import { useStore } from "../store";
 import { getPinyinOf } from "../utils/hanzi";
-import { randomChoice } from "../utils/number";
 
 const props = defineProps<{
   hanziSeq: string[];
diff --git a/src/components/Keyboard.vue b/src/components/Keyboard.vue
index f4052e3..14dea77 100644
--- a/src/components/Keyboard.vue
+++ b/src/components/Keyboard.vue
@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import { computed, watchPostEffect } from "vue";
+import { computed } from "vue";
 import { storeToRefs } from "pinia";
 import { ref, onActivated, onDeactivated } from "vue";
 import { useStore } from "../store";
diff --git a/src/components/MenuList.vue b/src/components/MenuList.vue
index 5cf2167..ccdaecb 100644
--- a/src/components/MenuList.vue
+++ b/src/components/MenuList.vue
@@ -1,5 +1,5 @@
 <script lang="ts" setup>
-import { ref, defineProps, computed, onMounted, onUnmounted } from "vue";
+import { defineProps, onMounted, onUnmounted } from "vue";
 
 export interface MenuProps {
   onMenuChange?: (i: number) => void;
diff --git a/src/components/Pinyin.vue b/src/components/Pinyin.vue
index 9e5456f..3093eab 100644
--- a/src/components/Pinyin.vue
+++ b/src/components/Pinyin.vue
@@ -1,8 +1,7 @@
 <script lang="ts" setup>
-import { computed } from "vue";
 import { defineProps } from "vue";
 
-const props = defineProps<{
+defineProps<{
   chars: string[];
 }>();
 </script>
diff --git a/src/components/SingleMode.vue b/src/components/SingleMode.vue
index 342fdae..66995a1 100644
--- a/src/components/SingleMode.vue
+++ b/src/components/SingleMode.vue
@@ -12,7 +12,7 @@ import { computed } from "vue";
 import { getPinyinOf } from "../utils/hanzi";
 import { TypingSummary } from "../utils/summary";
 import { followKeys, leadKeys } from "../utils/pinyin";
-import { randInt, randomChoice } from "../utils/number";
+import { randInt } from "../utils/number";
 
 export interface SingleModeProps {
   nextChar?: () => string;
@@ -21,7 +21,7 @@ export interface SingleModeProps {
   mode?: "Lead" | "Follow";
 }
 
-function nextChar() {
+function getNextChar() {
   if (!props.mode) {
     return props.nextChar?.() ?? "";
   }
@@ -32,7 +32,7 @@ const pinyin = ref<string[]>([]);
 
 const store = useStore();
 const props = defineProps<SingleModeProps>();
-const hanziSeq = ref(new Array(4).fill(0).map(() => nextChar()));
+const hanziSeq = ref(new Array(4).fill(0).map(() => getNextChar()));
 const isValid = ref(false);
 
 const summary = ref(new TypingSummary());
@@ -78,7 +78,7 @@ function onMenuChange(i: number) {
 
 watchPostEffect(() => {
   for (let i = 0; i < 4; ++i) {
-    hanziSeq.value.unshift(nextChar());
+    hanziSeq.value.unshift(getNextChar());
     hanziSeq.value.pop();
   }
 });
@@ -132,7 +132,7 @@ function onSeq([lead, follow]: [string?, string?]) {
 watchPostEffect(() => {
   if (isValid.value) {
     setTimeout(() => {
-      hanziSeq.value.unshift(nextChar());
+      hanziSeq.value.unshift(getNextChar());
       hanziSeq.value.pop();
       pinyin.value = [];
       isValid.value = false;
diff --git a/src/env.d.ts b/src/env.d.ts
index dc76cbb..1a1f5c7 100644
--- a/src/env.d.ts
+++ b/src/env.d.ts
@@ -39,10 +39,10 @@ declare type Char =
 type Pinyin = { lead: string; follow: string; full: string };
 
 interface Progress {
-  currentIndex: number = 0;
-  total: number = 0;
-  correctTry: number = 0;
-  totalTry: number = 0;
+  currentIndex: number;
+  total: number;
+  correctTry: number;
+  totalTry: number;
 }
 
 interface Combine {
diff --git a/src/pages/FollowMode.vue b/src/pages/FollowMode.vue
index 6b5f587..7bbfe67 100644
--- a/src/pages/FollowMode.vue
+++ b/src/pages/FollowMode.vue
@@ -2,7 +2,7 @@
 import SingleMode from '../components/SingleMode.vue';
 import { followMap, followKeys } from '../utils/pinyin'
 import { useStore } from '../store'
-import { computed, ref } from 'vue';
+import { computed } from 'vue';
 import { hanziMap } from '../utils/hanzi';
 import { storeToRefs } from 'pinia';
 
diff --git a/src/pages/PragraphMode.vue b/src/pages/PragraphMode.vue
index 9206e11..7340075 100644
--- a/src/pages/PragraphMode.vue
+++ b/src/pages/PragraphMode.vue
@@ -8,7 +8,6 @@ import {
   watchPostEffect,
   onActivated,
   onDeactivated,
-  onMounted,
   watchEffect,
 } from "vue";
 import { useStore } from "../store";
diff --git a/src/utils/keyboard.ts b/src/utils/keyboard.ts
index fb6ef89..591b771 100644
--- a/src/utils/keyboard.ts
+++ b/src/utils/keyboard.ts
@@ -14,11 +14,22 @@ declare global {
    *   ],
    *   zeroMap: [ // 零声母映射
    *     '${双拼按键}/${对应拼音}'
+   *   ],
+   *   additionalMap: [ // 附加映射
+   *     '${双拼按键}/${对应拼音}'
+   *   ],
+   *   excludingMap: [ // 不匹配映射
+   *     '${双拼按键}/${对应拼音}'
    *   ]
    * }
    * ```
    */
-  type RawShuangPinConfig = typeof configs["小鹤双拼"];
+  type RawShuangPinConfig = {
+    keyMap: string[],
+    zeroMap: string[],
+    additionalMap?: string[],
+    excludingMap?: string[],
+  };
   type ShuangpinMode = ShuangpinConfig;
 }
 
@@ -33,6 +44,7 @@ export class ShuangpinConfig {
   zero2sp = new Map<string, string>(); // 双拼 -> 零声母
   sp2py = new Map<string, string>(); // 双拼 -> 拼音
   py2sp = new Map<string, string>(); // 拼音 -> 双拼
+  spNot2py = new Map<string, string>(); // 不匹配映射：双拼 -> 拼音
 
   constructor(
     public name: string,
@@ -41,6 +53,9 @@ export class ShuangpinConfig {
   ) {
     for (const line of config["keyMap"]) {
       const [main, follow, lead] = line.split("/");
+      if (!follow && !lead) {
+        continue;
+      }
       const keyConfig: KeyConfig = {
         main: (main as Char) ?? "",
         follows: follow?.split(",") ?? [],
@@ -60,6 +75,22 @@ export class ShuangpinConfig {
       this.py2sp.set(zero, sp);
       this.sp2py.set(sp, zero);
     }
+    const additionalMap = config["additionalMap"];
+    if (additionalMap) {
+      for (const line of additionalMap) {
+        const [sp, pinyin] = line.split("/");
+        this.py2sp.set(pinyin, sp);
+        this.sp2py.set(sp, pinyin);
+      }
+    }
+
+    const excludingMap = config["excludingMap"];
+    if (excludingMap) {
+      for (const line of excludingMap) {
+        const [sp, pinyin] = line.split("/");
+        this.spNot2py.set(sp, pinyin);
+      }
+    }
 
     const allCombs = product(
       [...this.groupByKey.keys()],
@@ -72,8 +103,14 @@ export class ShuangpinConfig {
       const pinyins = product(leads, follows);
       for (const [l, f] of pinyins) {
         const pinyin = l + f;
+        if (!(l && f)) {
+          continue;
+        }
+        if (pinyin == this.spNot2py.get(sp)) {
+          continue;
+        }
         if (validCombines.has(pinyin)) {
-          this.py2sp.set(pinyin, sp);
+          this.py2sp.set(pinyin, sp.concat(this.py2sp.get(pinyin) ?? ""));
           this.sp2py.set(sp, pinyin);
         }
       }
diff --git a/src/utils/spconfig.json b/src/utils/spconfig.json
index ece5b23..59091ab 100644
--- a/src/utils/spconfig.json
+++ b/src/utils/spconfig.json
@@ -400,5 +400,113 @@
       "oo/o",
       "op/ou"
     ]
+  },
+  "蓝天双拼": {
+    "keyMap": [
+      "q/ua/q",
+      "w/ei/w",
+      "e/e/",
+      "r/ou/r",
+      "t/iu/t",
+      "y/ue,ve/y",
+      "u/u/sh",
+      "i/i/ch",
+      "o/uo,o/",
+      "p/ie/p",
+      "a/a/",
+      "s/iong,ong/s",
+      "d/ai/d",
+      "f/ing,uai/f",
+      "g/ang/g",
+      "h/uan/h",
+      "j/an/j",
+      "k/en,ia/k",
+      "l/iang,uang/l",
+      ";//",
+      "z/eng/z",
+      "x/in/x",
+      "c/ao/c",
+      "v/ui,v/zh",
+      "b/un/b",
+      "n/iao/n",
+      "m/ian/m"
+    ],
+    "zeroMap": [
+      "aa/a",
+      "ai/ai",
+      "an/an",
+      "ag/ang",
+      "ao/ao",
+      "ee/e",
+      "ei/ei",
+      "en/en",
+      "ez/eng",
+      "er/er",
+      "oo/o",
+      "ou/ou"
+    ]
+  },
+  "大牛双拼": {
+    "keyMap": [
+      "q/ua,ian/q",
+      "w/vn,ei/w",
+      "e/e/",
+      "r/ou/r",
+      "t/iu/t",
+      "y/un/y",
+      "u/u,er/sh",
+      "i/i/ch",
+      "o/o,uo/zh",
+      "p/ie/p",
+      "a/a/zh",
+      "s/ao/s",
+      "d/an/d",
+      "f/ang/f",
+      "g/uai,ing/g",
+      "h/ai,ue/h",
+      "j/eng,van/j",
+      "k/en,ia/k",
+      "l/ong,iong/l",
+      ";//",
+      "z/uan/z",
+      "x/ve,uang/x",
+      "c/ian/c",
+      "v/ui,v/sh",
+      "b/in/b",
+      "n/ui,iang/n",
+      "m/iao/m"
+    ],
+    "zeroMap": [
+      "ea/a",
+      "eh/ai",
+      "ed/an",
+      "ef/ang",
+      "es/ao",
+      "ee/e",
+      "ew/ei",
+      "ek/en",
+      "ej/eng",
+      "eu/er",
+      "eo/o",
+      "er/ou"
+    ],
+    "additionalMap": [
+      "jw/jun",
+      "qw/qun",
+      "xw/xun",
+      "yw/yun",
+      "jj/juan",
+      "qj/quan",
+      "xj/xuan",
+      "yj/yuan",
+      "jx/jue",
+      "qx/que",
+      "xx/xue",
+      "yx/yue",
+      "jv/ju",
+      "qv/qu",
+      "xv/xu",
+      "yv/yu"
+    ]
   }
 }