diff --git a/proto/AvatarExpeditionAllDataRsp.proto b/proto/AvatarExpeditionAllDataRsp.proto
new file mode 100644
index 000000000..5ff61dbcd
--- /dev/null
+++ b/proto/AvatarExpeditionAllDataRsp.proto
@@ -0,0 +1,19 @@
+syntax = "proto3";
+
+option java_package = "emu.grasscutter.net.proto";
+import "AvatarExpeditionInfo.proto";
+
+message AvatarExpeditionAllDataRsp {
+  enum CmdId {
+    option allow_alias = true;
+    NONE = 0;
+    ENET_CHANNEL_ID = 0;
+    ENET_IS_RELIABLE = 1;
+    CMD_ID = 1783;
+  }
+
+  int32 retcode = 1;
+  map<uint64, AvatarExpeditionInfo> expedition_info_map = 2;
+  repeated uint32 open_expedition_list = 3;
+  uint32 expedition_count_limit = 4;
+}
diff --git a/proto/AvatarExpeditionCallBackReq.proto b/proto/AvatarExpeditionCallBackReq.proto
new file mode 100644
index 000000000..b1131a2aa
--- /dev/null
+++ b/proto/AvatarExpeditionCallBackReq.proto
@@ -0,0 +1,16 @@
+syntax = "proto3";
+
+option java_package = "emu.grasscutter.net.proto";
+
+message AvatarExpeditionCallBackReq {
+	enum CmdId {
+		option allow_alias = true;
+		ENET_CHANNEL_ID = 0;
+		NONE = 0;
+		ENET_IS_RELIABLE = 1;
+		IS_ALLOW_CLIENT = 1;
+		CMD_ID = 1618;
+	}
+
+	repeated uint64 avatar_guid = 1;
+}
diff --git a/proto/AvatarExpeditionCallBackRsp.proto b/proto/AvatarExpeditionCallBackRsp.proto
new file mode 100644
index 000000000..75adca0f6
--- /dev/null
+++ b/proto/AvatarExpeditionCallBackRsp.proto
@@ -0,0 +1,17 @@
+syntax = "proto3";
+
+option java_package = "emu.grasscutter.net.proto";
+import "AvatarExpeditionInfo.proto";
+
+message AvatarExpeditionCallBackRsp {
+	enum CmdId {
+		option allow_alias = true;
+		NONE = 0;
+		ENET_CHANNEL_ID = 0;
+		ENET_IS_RELIABLE = 1;
+		CMD_ID = 1633;
+	}
+
+	int32 retcode = 1;
+	map<uint64, AvatarExpeditionInfo> expedition_info_map = 2;
+}
diff --git a/proto/AvatarExpeditionDataNotify.proto b/proto/AvatarExpeditionDataNotify.proto
new file mode 100644
index 000000000..8adef648a
--- /dev/null
+++ b/proto/AvatarExpeditionDataNotify.proto
@@ -0,0 +1,16 @@
+syntax = "proto3";
+
+option java_package = "emu.grasscutter.net.proto";
+import "AvatarExpeditionInfo.proto";
+
+message AvatarExpeditionDataNotify {
+	enum CmdId {
+		option allow_alias = true;
+		NONE = 0;
+		ENET_CHANNEL_ID = 0;
+		ENET_IS_RELIABLE = 1;
+		CMD_ID = 1621;
+	}
+
+	map<uint64, AvatarExpeditionInfo> expedition_info_map = 1;
+}
diff --git a/proto/AvatarExpeditionGetRewardReq.proto b/proto/AvatarExpeditionGetRewardReq.proto
new file mode 100644
index 000000000..847f96fee
--- /dev/null
+++ b/proto/AvatarExpeditionGetRewardReq.proto
@@ -0,0 +1,16 @@
+syntax = "proto3";
+
+option java_package = "emu.grasscutter.net.proto";
+
+message AvatarExpeditionGetRewardReq {
+	enum CmdId {
+		option allow_alias = true;
+		ENET_CHANNEL_ID = 0;
+		NONE = 0;
+		ENET_IS_RELIABLE = 1;
+		IS_ALLOW_CLIENT = 1;
+		CMD_ID = 1610;
+	}
+
+	uint64 avatar_guid = 1;
+}
diff --git a/proto/AvatarExpeditionGetRewardRsp.proto b/proto/AvatarExpeditionGetRewardRsp.proto
new file mode 100644
index 000000000..c494b77a2
--- /dev/null
+++ b/proto/AvatarExpeditionGetRewardRsp.proto
@@ -0,0 +1,19 @@
+syntax = "proto3";
+
+option java_package = "emu.grasscutter.net.proto";
+import "AvatarExpeditionInfo.proto";
+
+import "ItemParam.proto";
+message AvatarExpeditionGetRewardRsp {
+	enum CmdId {
+		option allow_alias = true;
+		NONE = 0;
+		ENET_CHANNEL_ID = 0;
+		ENET_IS_RELIABLE = 1;
+		CMD_ID = 1670;
+	}
+
+	int32 retcode = 1;
+	map<uint64, AvatarExpeditionInfo> expedition_info_map = 2;
+	repeated ItemParam item_list = 3;
+}
diff --git a/proto/AvatarExpeditionInfo.proto b/proto/AvatarExpeditionInfo.proto
new file mode 100644
index 000000000..180482bd0
--- /dev/null
+++ b/proto/AvatarExpeditionInfo.proto
@@ -0,0 +1,12 @@
+syntax = "proto3";
+
+option java_package = "emu.grasscutter.net.proto";
+import "AvatarExpeditionState.proto";
+
+message AvatarExpeditionInfo {
+	AvatarExpeditionState state = 1;
+	uint32 exp_id = 2;
+	uint32 hour_time = 3;
+	uint32 start_time = 4;
+	float shorten_ratio = 5;
+}
diff --git a/proto/AvatarExpeditionStartReq.proto b/proto/AvatarExpeditionStartReq.proto
new file mode 100644
index 000000000..cbfe1a15d
--- /dev/null
+++ b/proto/AvatarExpeditionStartReq.proto
@@ -0,0 +1,18 @@
+syntax = "proto3";
+
+option java_package = "emu.grasscutter.net.proto";
+
+message AvatarExpeditionStartReq {
+	enum CmdId {
+		option allow_alias = true;
+		ENET_CHANNEL_ID = 0;
+		NONE = 0;
+		ENET_IS_RELIABLE = 1;
+		IS_ALLOW_CLIENT = 1;
+		CMD_ID = 1609;
+	}
+
+	uint64 avatar_guid = 1;
+	uint32 exp_id = 2;
+	uint32 hour_time = 3;
+}
diff --git a/proto/AvatarExpeditionStartRsp.proto b/proto/AvatarExpeditionStartRsp.proto
new file mode 100644
index 000000000..c48fe2ad4
--- /dev/null
+++ b/proto/AvatarExpeditionStartRsp.proto
@@ -0,0 +1,17 @@
+syntax = "proto3";
+
+option java_package = "emu.grasscutter.net.proto";
+import "AvatarExpeditionInfo.proto";
+
+message AvatarExpeditionStartRsp {
+	enum CmdId {
+		option allow_alias = true;
+		NONE = 0;
+		ENET_CHANNEL_ID = 0;
+		ENET_IS_RELIABLE = 1;
+		CMD_ID = 1646;
+	}
+
+	int32 retcode = 1;
+	map<uint64, AvatarExpeditionInfo> expedition_info_map = 2;
+}