diff --git a/backend/.env.example b/backend/.env.example
index cfdd96b..ad609a9 100644
--- a/backend/.env.example
+++ b/backend/.env.example
@@ -1,6 +1,6 @@
 APP_NAME=财务大模型智能问答客服系统
 ENVIRONMENT=development
-DATABASE_URL=postgresql+psycopg://finance_ai:finance_ai@127.0.0.1:5432/finance_ai
+DATABASE_URL=postgresql+psycopg://finai:finai@127.0.0.1:5432/finai
 JWT_SECRET_KEY=change-me-in-production
 JWT_EXPIRE_MINUTES=480
 SMS_PROVIDER=mock
diff --git a/backend/README.md b/backend/README.md
index c7560c7..fa6ed91 100644
--- a/backend/README.md
+++ b/backend/README.md
@@ -12,7 +12,7 @@ python -m uvicorn app.main:app --reload --port 8000
 默认会使用 `sqlite:///./finance_ai.db`。生产环境请复制 `.env.example` 为 `.env`，并配置：
 
 ```env
-DATABASE_URL=postgresql+psycopg://finance_ai:finance_ai@127.0.0.1:5432/finance_ai
+DATABASE_URL=postgresql+psycopg://finai:finai@127.0.0.1:5432/finai
 JWT_SECRET_KEY=replace-with-secret
 ```
 
diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index dce98d1..d0da474 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -1,5 +1,5 @@
 [project]
-name = "finance-ai-qa-backend"
+name = "finai-backend"
 version = "0.1.0"
 description = "FastAPI backend for finance AI intelligent Q&A customer service system."
 requires-python = ">=3.11"
diff --git a/deploy/.env.example b/deploy/.env.example
index b8a328a..762a5b0 100644
--- a/deploy/.env.example
+++ b/deploy/.env.example
@@ -1,6 +1,6 @@
-POSTGRES_DB=finance_ai
-POSTGRES_USER=finance_ai
-POSTGRES_PASSWORD=finance_ai
-DATABASE_URL=postgresql+psycopg://finance_ai:finance_ai@postgres:5432/finance_ai
+POSTGRES_DB=finai
+POSTGRES_USER=finai
+POSTGRES_PASSWORD=finai
+DATABASE_URL=postgresql+psycopg://finai:finai@postgres:5432/finai
 JWT_SECRET_KEY=change-me-in-production
 ALLOWED_ORIGINS=http://localhost:5173,http://127.0.0.1:5173,http://localhost
diff --git a/deploy/docker-compose.yml b/deploy/docker-compose.yml
index f307a7c..d074746 100644
--- a/deploy/docker-compose.yml
+++ b/deploy/docker-compose.yml
@@ -2,15 +2,15 @@ services:
   postgres:
     image: postgres:16
     environment:
-      POSTGRES_DB: ${POSTGRES_DB:-finance_ai}
-      POSTGRES_USER: ${POSTGRES_USER:-finance_ai}
-      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-finance_ai}
+      POSTGRES_DB: ${POSTGRES_DB:-finai}
+      POSTGRES_USER: ${POSTGRES_USER:-finai}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-finai}
     ports:
       - "5432:5432"
     volumes:
       - pg_data:/var/lib/postgresql/data
     healthcheck:
-      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-finance_ai} -d ${POSTGRES_DB:-finance_ai}"]
+      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-finai} -d ${POSTGRES_DB:-finai}"]
       interval: 5s
       timeout: 3s
       retries: 20
@@ -24,7 +24,7 @@ services:
     build:
       context: ../backend
     environment:
-      DATABASE_URL: ${DATABASE_URL:-postgresql+psycopg://finance_ai:finance_ai@postgres:5432/finance_ai}
+      DATABASE_URL: ${DATABASE_URL:-postgresql+psycopg://finai:finai@postgres:5432/finai}
       JWT_SECRET_KEY: ${JWT_SECRET_KEY:-change-me-in-production}
       ALLOWED_ORIGINS: ${ALLOWED_ORIGINS:-http://localhost:5173,http://127.0.0.1:5173,http://localhost}
       SMS_PROVIDER: mock
diff --git a/deploy/setup-backend.sh b/deploy/setup-backend.sh
index 5063e1e..626e606 100644
--- a/deploy/setup-backend.sh
+++ b/deploy/setup-backend.sh
@@ -32,7 +32,7 @@ DB_USER="${DB_NAME}"
 DB_PASS="${DB_PASS:-}"
 FORCE_ENV="${FORCE_ENV:-0}"
 
-SERVICE_NAME="finance-ai-backend"
+SERVICE_NAME="finai-backend"
 SERVICE_FILE="/etc/systemd/system/${SERVICE_NAME}.service"
 
 # ─── 工具函数 ──────────────────────────────────────────────
diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 65c927e..b61f1a0 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -1,11 +1,11 @@
 {
-  "name": "finance-ai-frontend",
+  "name": "finai-frontend",
   "version": "0.1.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
-      "name": "finance-ai-frontend",
+      "name": "finai-frontend",
       "version": "0.1.0",
       "dependencies": {
         "marked": "^18.0.5",
diff --git a/frontend/package.json b/frontend/package.json
index 7cbb2ba..1383e41 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -1,5 +1,5 @@
 {
-  "name": "finance-ai-frontend",
+  "name": "finai-frontend",
   "private": true,
   "version": "0.1.0",
   "type": "module",
diff --git a/miniapp/project.config.json b/miniapp/project.config.json
index 823bde3..79545b1 100644
--- a/miniapp/project.config.json
+++ b/miniapp/project.config.json
@@ -46,7 +46,7 @@
   "compileType": "miniprogram",
   "libVersion": "3.16.2",
   "appid": "wx8b0db4bf9ae7d778",
-  "projectname": "finance-ai-miniapp",
+  "projectname": "finai-miniapp",
   "condition": {},
   "editorSetting": {
     "tabIndent": "insertSpaces",