diff --git a/src/matchWebsocket.js b/src/matchWebsocket.js
index f47a29b..4902ce6 100644
--- a/src/matchWebsocket.js
+++ b/src/matchWebsocket.js
@@ -19,6 +19,10 @@ let audioAckListenerReady = false;
 // 后端要求非心跳消息必须等前端语音播报完成后再 ACK。
 const pendingAcks = [];
 
+// 当前仍是“只连接、只解码、只打印”阶段，还没有真正接管比赛语音播报。
+// 为了先验证协议闭环，这里临时把“打印完成”当作“播报完成”并立即 ACK。
+const AUTO_ACK_WITHOUT_AUDIO = true;
+
 // 这些比赛消息需要在 audioEnded 后补 ACK；心跳 ACK 单独即时处理。
 const ACK_REQUIRED_TYPES = new Set([
   ServerMessageType.SERVER_MSG_MATCH_READY,
@@ -36,6 +40,11 @@ function pickField(source, camelKey, snakeKey) {
   return source?.[camelKey] ?? source?.[snakeKey];
 }
 
+function normalizeId(value) {
+  if (value === undefined || value === null || value === "") return "";
+  return String(value);
+}
+
 // 追加 token 查询参数；如果后端地址已经带 token，则保持原样。
 function appendQuery(url, key, value) {
   if (!value || new RegExp(`[?&]${key}=`).test(url)) return url;
@@ -87,14 +96,11 @@ function sendHeartbeatAck() {
 
 function sendAck({ matchId, sequence }) {
   // sequence 由后端处理，前端只原样带回，不做重排和断线补发。
-  if (!sequence) return;
+  if (sequence === undefined || sequence === null || sequence === "") return;
   sendBuffer(createAckMessage({ matchId, sequence }), `ack ${sequence}`);
 }
 
-function flushPendingAcks() {
-  // 每次语音播报完成，只确认一条已播放完成的服务端消息。
-  if (!pendingAcks.length) return;
-  const task = pendingAcks.shift();
+function completeAckTask(task) {
   sendAck(task);
   if (task.leaveAfterAck) {
     setTimeout(() => {
@@ -103,6 +109,12 @@ function flushPendingAcks() {
   }
 }
 
+function flushPendingAcks() {
+  // 每次语音播报完成，只确认一条已播放完成的服务端消息。
+  if (!pendingAcks.length) return;
+  completeAckTask(pendingAcks.shift());
+}
+
 function ensureAudioAckListener() {
   // 复用现有全局 audioEnded 事件，确保 ACK 时机落在播报结束之后。
   if (audioAckListenerReady) return;
@@ -118,12 +130,33 @@ function removeAudioAckListener() {
 
 function queueAckAfterAudio(message) {
   // 非 ACK_REQUIRED_TYPES 的消息只打印，不自动确认，避免扩大发送面。
-  if (!ACK_REQUIRED_TYPES.has(message.type) || !message.sequence) return;
-  pendingAcks.push({
-    matchId: pickField(message, "matchId", "match_id") || currentContext?.matchId,
+  if (
+    !ACK_REQUIRED_TYPES.has(message.type) ||
+    message.sequence === undefined ||
+    message.sequence === null ||
+    message.sequence === ""
+  ) {
+    return;
+  }
+  const task = {
+    matchId: normalizeId(
+      pickField(message, "matchId", "match_id") || currentContext?.matchId
+    ),
     sequence: message.sequence,
     leaveAfterAck: message.type === ServerMessageType.SERVER_MSG_MATCH_END,
-  });
+  };
+
+  if (AUTO_ACK_WITHOUT_AUDIO) {
+    console.log(
+      "[match-ws] ack immediately in print-only mode",
+      getServerMessageTypeName(message.type),
+      message.sequence
+    );
+    completeAckTask(task);
+    return;
+  }
+
+  pendingAcks.push(task);
   console.log(
     "[match-ws] ack queued until audioEnded",
     getServerMessageTypeName(message.type),
@@ -144,6 +177,11 @@ function handleMessage(data) {
   const typeName = getServerMessageTypeName(message.type);
   console.log("[match-ws] message decoded", typeName, message);
 
+  const decodedMatchId = normalizeId(pickField(message, "matchId", "match_id"));
+  if (decodedMatchId && currentContext) {
+    currentContext.matchId = decodedMatchId;
+  }
+
   if (message.type === ServerMessageType.SERVER_MSG_HEARTBEAT) {
     sendHeartbeatAck();
     return;
@@ -168,16 +206,22 @@ export function connectMatchWebSocket(options = {}) {
   // 入口参数来自原 websocket 的比赛服地址通知，不影响原有 websocket 连接。
   const { serverAddr, matchId, userId, token } = options;
   const url = normalizeServerUrl(serverAddr, token);
+  const normalizedMatchId = normalizeId(matchId);
+  const normalizedUserId = normalizeId(userId);
 
-  if (!url || !matchId) {
+  if (!url || !normalizedMatchId) {
     console.log("[match-ws] missing serverAddr or matchId", options);
     return;
   }
 
-  if (socket && currentContext?.url === url && currentContext?.matchId === matchId) {
+  if (
+    socket &&
+    currentContext?.url === url &&
+    currentContext?.matchId === normalizedMatchId
+  ) {
     // 同一场比赛同一地址重复通知时不重复建连。
     console.log("[match-ws] already connected or connecting", {
-      matchId,
+      matchId: normalizedMatchId,
       url,
     });
     return;
@@ -188,13 +232,21 @@ export function connectMatchWebSocket(options = {}) {
 
   manualClose = false;
   isConnecting = true;
-  currentContext = { serverAddr, matchId, userId, url };
+  currentContext = {
+    serverAddr,
+    matchId: normalizedMatchId,
+    userId: normalizedUserId,
+    url,
+  };
   ensureAudioAckListener();
 
   const socketTask = uni.connectSocket({
     url,
     success: () => {
-      console.log("[match-ws] connect requested", { matchId, url });
+      console.log("[match-ws] connect requested", {
+        matchId: normalizedMatchId,
+        url,
+      });
     },
     fail: (err) => {
       if (socket !== socketTask) return;
@@ -209,7 +261,10 @@ export function connectMatchWebSocket(options = {}) {
   socketTask.onOpen(() => {
     if (socket !== socketTask) return;
     isConnecting = false;
-    console.log("[match-ws] connected", { matchId, url });
+    console.log("[match-ws] connected", {
+      matchId: normalizedMatchId,
+      url,
+    });
   });
 
   socketTask.onMessage((res) => {
diff --git a/src/utils/matchProtocol.js b/src/utils/matchProtocol.js
index 07c384f..1c7c200 100644
--- a/src/utils/matchProtocol.js
+++ b/src/utils/matchProtocol.js
@@ -1,34 +1,199 @@
-import matchRoot from "./match.min.js";
+import protobuf from "protobufjs/minimal.js";
+
+const { Reader, Writer } = protobuf;
 
 // 比赛服 protobuf 协议适配层：
-// 这里只负责 raw protobuf frame 的解码和客户端消息编码，不处理 UI 状态。
-const ServerMessage = matchRoot.lookupType("rpc.ServerMessage");
-const ClientMessage = matchRoot.lookupType("rpc.ClientMessage");
+// 小程序环境不支持 protobufjs 反射模式里的动态 Function codegen，
+// 所以这里使用 minimal Reader/Writer 做静态字段解码和客户端消息编码。
+export const ServerMessageType = {
+  SERVER_MSG_UNKNOWN: 0,
+  SERVER_MSG_MATCH_READY: 1,
+  SERVER_MSG_MATCH_START: 2,
+  SERVER_MSG_NOW_YOU: 3,
+  SERVER_MSG_SHOT: 4,
+  SERVER_MSG_NEW_ROUND: 5,
+  SERVER_MSG_MATCH_END: 6,
+  SERVER_MSG_TIMEOUT: 7,
+  SERVER_MSG_CHECK: 8,
+  SERVER_MSG_RAND: 9,
+  SERVER_MSG_NOT_ENOUGH_DISTANCE: 10,
+  SERVER_MSG_PLAYER_LEFT: 11,
+  SERVER_MSG_HEARTBEAT: 12,
+  SERVER_MSG_PRACTICE_END: 13,
+};
 
-// 从反射 Root 中读取枚举，避免直接依赖生成文件内部结构。
-function getEnumValues(name) {
-  return matchRoot.lookupEnum(name).values || {};
-}
+export const ClientMessageType = {
+  CLIENT_MSG_UNKNOWN: 0,
+  CLIENT_MSG_HEARTBEAT_ACK: 1,
+  CLIENT_MSG_SHOOT_DATA: 2,
+  CLIENT_MSG_ACK: 3,
+  CLIENT_MSG_LEAVE: 4,
+};
 
 // protobufjs 的 enum 默认是 name -> value，这里反转成 value -> name 用于日志打印。
-function invertEnum(values) {
-  return Object.keys(values).reduce((result, name) => {
-    result[values[name]] = name;
+const ServerMessageTypeNameByValue = Object.keys(ServerMessageType).reduce(
+  (result, name) => {
+    result[ServerMessageType[name]] = name;
     return result;
-  }, {});
-}
+  },
+  {}
+);
 
-export const ServerMessageType = getEnumValues("rpc.ServerMessageType");
-export const ClientMessageType = getEnumValues("rpc.ClientMessageType");
-
-const ServerMessageTypeNameByValue = invertEnum(ServerMessageType);
-
-// 统一把 int64 转成字符串，避免小程序环境下大整数精度丢失。
-const TO_OBJECT_OPTIONS = {
-  longs: String,
-  enums: Number,
-  bytes: Array,
-  oneofs: true,
+// 当前只需要解码比赛服下发的字段并打印，字段表按后端 proto 定义维护。
+const SCHEMAS = {
+  MatchShoot: {
+    1: { name: "player_id", kind: "int64" },
+    2: { name: "status", kind: "int32" },
+    3: { name: "x", kind: "float" },
+    4: { name: "y", kind: "float" },
+    5: { name: "ring", kind: "int32" },
+    6: { name: "ring_x", kind: "bool" },
+    7: { name: "angle", kind: "float" },
+    8: { name: "distance", kind: "float" },
+  },
+  MatchShootList: {
+    1: { name: "items", kind: "message", type: "MatchShoot", repeated: true },
+  },
+  RoundScore: {
+    1: { name: "total_ring", kind: "int32" },
+    2: { name: "score", kind: "int32" },
+    3: { name: "if_win", kind: "bool" },
+  },
+  MatchRound: {
+    1: {
+      name: "shoots",
+      kind: "map",
+      keyKind: "int64",
+      valueKind: "message",
+      valueType: "MatchShootList",
+    },
+    2: {
+      name: "scores",
+      kind: "map",
+      keyKind: "int32",
+      valueKind: "message",
+      valueType: "RoundScore",
+    },
+    3: { name: "round", kind: "int32" },
+    4: { name: "if_gold", kind: "bool" },
+    5: { name: "status", kind: "int32" },
+    6: { name: "gold_round", kind: "int32" },
+  },
+  PlayerMatchResult: {
+    1: { name: "total_ring", kind: "int32" },
+    2: { name: "user_id", kind: "int64" },
+    3: { name: "ten_ring_count", kind: "int32" },
+    4: { name: "average_ring", kind: "float" },
+  },
+  PlayerFull: {
+    1: { name: "id", kind: "int64" },
+    2: { name: "name", kind: "string" },
+    3: { name: "avatar", kind: "string" },
+    4: { name: "exp", kind: "int32" },
+    5: { name: "score", kind: "int32" },
+    6: { name: "level", kind: "int32" },
+    7: { name: "before_level", kind: "int32" },
+    8: { name: "before_exp", kind: "int32" },
+    9: { name: "current_exp", kind: "int32" },
+    10: { name: "upgrade_exp", kind: "int32" },
+    11: { name: "active", kind: "int32" },
+    12: { name: "device_id", kind: "string" },
+    13: { name: "s_vip", kind: "bool" },
+    14: { name: "vip", kind: "bool" },
+    15: { name: "player_match_result", kind: "message", type: "PlayerMatchResult" },
+  },
+  TeamInfo: {
+    1: { name: "players", kind: "message", type: "PlayerFull", repeated: true },
+    2: { name: "id", kind: "int32" },
+    3: { name: "name", kind: "string" },
+    4: { name: "score", kind: "int32" },
+  },
+  CurrentShoot: {
+    1: { name: "round", kind: "int32" },
+    2: { name: "round_id", kind: "int64" },
+    3: { name: "index", kind: "int32" },
+    4: { name: "start_time", kind: "int64" },
+    5: { name: "player_id", kind: "int64" },
+    6: { name: "gold_round", kind: "bool" },
+    7: { name: "start_time_text", kind: "string" },
+    8: { name: "my_index", kind: "int32" },
+    9: {
+      name: "index_map",
+      kind: "map",
+      keyKind: "int64",
+      valueKind: "int32",
+    },
+  },
+  ShootData: {
+    1: { name: "x", kind: "float" },
+    2: { name: "y", kind: "float" },
+    3: { name: "r", kind: "float" },
+    4: { name: "dst", kind: "float" },
+    5: { name: "m", kind: "string" },
+    6: { name: "adc", kind: "float" },
+    7: { name: "device_id", kind: "string" },
+    8: { name: "shoot_id", kind: "string" },
+  },
+  PracticeInfo: {
+    1: { name: "id", kind: "int64" },
+    2: { name: "user_id", kind: "int64" },
+    3: { name: "status", kind: "int32" },
+    4: { name: "status_text", kind: "string" },
+    5: { name: "start_time", kind: "int64" },
+    6: { name: "target_type", kind: "int32" },
+    7: { name: "vip", kind: "bool" },
+    8: { name: "s_vip", kind: "bool" },
+    9: { name: "device_id", kind: "string" },
+    10: { name: "shoot_data", kind: "message", type: "MatchShoot" },
+    11: { name: "details", kind: "message", type: "MatchShoot", repeated: true },
+  },
+  MatchInfo: {
+    1: { name: "match_id", kind: "int64" },
+    2: { name: "create_time", kind: "int64" },
+    3: { name: "start_time", kind: "int64" },
+    4: { name: "server_time", kind: "int64" },
+    5: { name: "shoot_time", kind: "int32" },
+    6: { name: "shoot_number", kind: "int32" },
+    7: { name: "ready_time", kind: "int32" },
+    8: { name: "way", kind: "int32" },
+    9: { name: "mode", kind: "int32" },
+    10: { name: "status", kind: "int32" },
+    11: { name: "status_text", kind: "string" },
+    12: { name: "rounds", kind: "message", type: "MatchRound", repeated: true },
+    13: {
+      name: "teams",
+      kind: "map",
+      keyKind: "int32",
+      valueKind: "message",
+      valueType: "TeamInfo",
+    },
+    14: { name: "current", kind: "message", type: "CurrentShoot" },
+    15: { name: "next", kind: "message", type: "CurrentShoot" },
+    16: { name: "shoot_data", kind: "message", type: "MatchShoot" },
+    17: { name: "win_team", kind: "int32" },
+    18: { name: "mvp", kind: "message", type: "PlayerFull" },
+    19: { name: "room_id", kind: "string" },
+    20: {
+      name: "result_list",
+      kind: "message",
+      type: "PlayerMatchResult",
+      repeated: true,
+    },
+    21: { name: "timeout_time", kind: "int64" },
+    22: { name: "target_type", kind: "int32" },
+    23: { name: "event_type", kind: "int32" },
+    24: { name: "timeout", kind: "int32" },
+    25: { name: "server_addr", kind: "string" },
+  },
+  ServerMessage: {
+    1: { name: "type", kind: "int32" },
+    2: { name: "match_id", kind: "int64" },
+    3: { name: "timestamp", kind: "int64" },
+    4: { name: "match_info", kind: "message", type: "MatchInfo", oneof: "payload" },
+    5: { name: "shoot_data", kind: "message", type: "ShootData", oneof: "payload" },
+    6: { name: "practice_info", kind: "message", type: "PracticeInfo", oneof: "payload" },
+    7: { name: "sequence", kind: "int64" },
+  },
 };
 
 // 小程序 websocket 收到的 data 可能是 ArrayBuffer、TypedArray 或字符串，这里统一成 Uint8Array。
@@ -55,16 +220,122 @@ function toArrayBuffer(bytes) {
   return output.buffer;
 }
 
+function readScalar(reader, kind) {
+  switch (kind) {
+    case "int32":
+      return reader.int32();
+    case "int64":
+      // 统一把 int64 转成字符串，避免小程序环境下大整数精度丢失。
+      return reader.int64().toString();
+    case "float":
+      return reader.float();
+    case "bool":
+      return reader.bool();
+    case "string":
+      return reader.string();
+    case "bytes":
+      return Array.from(reader.bytes());
+    default:
+      throw new Error(`Unsupported protobuf scalar kind: ${kind}`);
+  }
+}
+
+function readMapEntry(reader, field) {
+  const end = reader.uint32() + reader.pos;
+  let key = "";
+  let value;
+
+  while (reader.pos < end) {
+    const tag = reader.uint32();
+    switch (tag >>> 3) {
+      case 1:
+        key = readScalar(reader, field.keyKind);
+        break;
+      case 2:
+        value =
+          field.valueKind === "message"
+            ? decodeMessage(field.valueType, reader, reader.uint32())
+            : readScalar(reader, field.valueKind);
+        break;
+      default:
+        reader.skipType(tag & 7);
+        break;
+    }
+  }
+
+  return { key: String(key), value };
+}
+
+function readValue(reader, field) {
+  if (field.kind === "message") {
+    return decodeMessage(field.type, reader, reader.uint32());
+  }
+  return readScalar(reader, field.kind);
+}
+
+function decodeMessage(schemaName, readerOrData, length) {
+  const schema = SCHEMAS[schemaName];
+  const reader =
+    readerOrData instanceof Reader ? readerOrData : Reader.create(readerOrData);
+  const end = length === undefined ? reader.len : reader.pos + length;
+  const message = {};
+
+  while (reader.pos < end) {
+    const tag = reader.uint32();
+    const field = schema[tag >>> 3];
+
+    if (!field) {
+      reader.skipType(tag & 7);
+      continue;
+    }
+
+    if (field.kind === "map") {
+      const entry = readMapEntry(reader, field);
+      const map = message[field.name] || {};
+      map[entry.key] = entry.value;
+      message[field.name] = map;
+      continue;
+    }
+
+    const value = readValue(reader, field);
+
+    if (field.repeated) {
+      if (!message[field.name]) message[field.name] = [];
+      message[field.name].push(value);
+    } else {
+      message[field.name] = value;
+    }
+
+    if (field.oneof) {
+      message[field.oneof] = field.name;
+    }
+  }
+
+  return message;
+}
+
 export function decodeServerMessage(data) {
-  // 后端已确认比赛服 websocket 下发的是原始 protobuf frame，直接 ServerMessage.decode。
-  const message = ServerMessage.decode(toUint8Array(data));
-  return ServerMessage.toObject(message, TO_OBJECT_OPTIONS);
+  // 后端已确认比赛服 websocket 下发的是原始 protobuf frame，直接解 ServerMessage。
+  return decodeMessage("ServerMessage", toUint8Array(data));
 }
 
 export function encodeClientMessage(payload) {
-  // ClientMessage 字段名按 proto 定义传入，例如 match_id、user_id。
-  const message = ClientMessage.create(payload);
-  return toArrayBuffer(ClientMessage.encode(message).finish());
+  // ClientMessage 字段名按 proto 定义写入，例如 match_id、user_id。
+  const writer = Writer.create();
+  const matchId = payload.match_id ?? payload.matchId;
+  const userId = payload.user_id ?? payload.userId;
+
+  if (payload.type !== undefined) writer.uint32(8).int32(payload.type);
+  if (matchId !== undefined && matchId !== null) writer.uint32(16).int64(matchId);
+  if (userId !== undefined && userId !== null) writer.uint32(24).int64(userId);
+  if (payload.sequence !== undefined && payload.sequence !== null) {
+    writer.uint32(32).int64(payload.sequence);
+  }
+  if (payload.data !== undefined && payload.data !== null) {
+    writer.uint32(42).bytes(toUint8Array(payload.data));
+  }
+
+  return toArrayBuffer(writer.finish());
 }
 
 export function getServerMessageTypeName(type) {