diff --git a/internal/bot/bot.go b/internal/bot/bot.go
index bb8d4f3..b03c8c0 100644
--- a/internal/bot/bot.go
+++ b/internal/bot/bot.go
@@ -22,8 +22,6 @@ const (
 	maxToolRounds = 5
 )
 
-var toolRegistry = tools.NewRegistry(builtin.TimeTool{}, builtin.CalculatorTool{}, builtin.RandomTool{})
-
 type Bot struct {
 	clients        map[string]*openai.Client
 	cfg            *config.Config
@@ -35,13 +33,15 @@ type Bot struct {
 	visionModel    string
 	history        []openai.ChatCompletionMessageParamUnion
 	systemPrompt   string
+	toolRegistry   *tools.Registry
 }
 
-func New(cfg *config.Config) *Bot {
+func New(cfg *config.Config) (*Bot, error) {
 	b := &Bot{
 		clients:      make(map[string]*openai.Client),
 		cfg:          cfg,
 		systemPrompt: cfg.SystemPrompt,
+		toolRegistry: tools.NewRegistry(builtin.TimeTool{}, builtin.CalculatorTool{}, builtin.RandomTool{}),
 	}
 	b.provider = config.FindProvider(cfg.DefaultProvider)
 	b.model = cfg.DefaultModel
@@ -57,7 +57,10 @@ func New(cfg *config.Config) *Bot {
 			b.visionProvider, b.visionModel = p, m
 		}
 	}
-	return b
+	if err := b.toolRegistry.InitConfigs(); err != nil {
+		return nil, err
+	}
+	return b, nil
 }
 
 func (b *Bot) clientFor(p *config.Provider) *openai.Client {
@@ -120,7 +123,7 @@ func (b *Bot) CurrentRoles() (tool, vision string) {
 }
 
 func (b *Bot) Tools() []string {
-	return toolRegistry.List()
+	return b.toolRegistry.List()
 }
 
 func (b *Bot) ContextDump() string {
@@ -202,7 +205,7 @@ func (b *Bot) toolRound(ctx context.Context, userMsg string, onReasoning func(st
 		params := openai.ChatCompletionNewParams{
 			Model:    b.toolModel,
 			Messages: history,
-			Tools:    toolRegistry.ParamList(),
+			Tools:    b.toolRegistry.ParamList(),
 		}
 		b.applyThinkingParams(&params, b.toolProvider)
 		stream := b.clientFor(b.toolProvider).Chat.Completions.NewStreaming(ctx, params)
@@ -254,7 +257,7 @@ func (b *Bot) toolRound(ctx context.Context, userMsg string, onReasoning func(st
 			if onTool != nil {
 				onTool(tc.Function.Name, tc.Function.Arguments)
 			}
-			result, err := toolRegistry.Execute(tc.Function.Name, json.RawMessage(tc.Function.Arguments))
+			result, err := b.toolRegistry.Execute(tc.Function.Name, json.RawMessage(tc.Function.Arguments))
 			if err != nil {
 				result = "工具执行失败: " + err.Error()
 			}
diff --git a/internal/config/config.go b/internal/config/config.go
index d5a97dd..fcbc142 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -11,8 +11,9 @@ import (
 )
 
 const (
-	configDir  = "data"
-	configFile = "config.yaml"
+	configDir     = "data"
+	configFile    = "config.yaml"
+	toolConfigDir = "data/tools"
 )
 
 type Provider struct {
@@ -270,3 +271,36 @@ func writeFile(path string, c *Config) error {
 	}
 	return os.WriteFile(path, data, 0o644)
 }
+
+// LoadToolConfig 读取 data/tools/<name>.yaml，文件不存在时返回 ok=false。
+func LoadToolConfig(name string) (cfg map[string]any, ok bool, err error) {
+	path := filepath.Join(toolConfigDir, name+".yaml")
+	data, err := os.ReadFile(path)
+	if os.IsNotExist(err) {
+		return nil, false, nil
+	}
+	if err != nil {
+		return nil, false, err
+	}
+	if err := yaml.Unmarshal(data, &cfg); err != nil {
+		return nil, false, fmt.Errorf("解析工具配置 %s 失败: %w", path, err)
+	}
+	return cfg, true, nil
+}
+
+// WriteDefaultToolConfig 生成工具默认配置模板到 data/tools/<name>.yaml。
+func WriteDefaultToolConfig(name string, defaults map[string]any) error {
+	if err := os.MkdirAll(toolConfigDir, 0o755); err != nil {
+		return err
+	}
+	data, err := yaml.Marshal(defaults)
+	if err != nil {
+		return err
+	}
+	path := filepath.Join(toolConfigDir, name+".yaml")
+	return os.WriteFile(path, data, 0o644)
+}
+
+func ToolConfigPath(name string) string {
+	return filepath.Join(toolConfigDir, name+".yaml")
+}
diff --git a/internal/tools/initconfigs_test.go b/internal/tools/initconfigs_test.go
new file mode 100644
index 0000000..9be5c6e
--- /dev/null
+++ b/internal/tools/initconfigs_test.go
@@ -0,0 +1,89 @@
+package tools
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+)
+
+type stubConfigurable struct {
+	configured map[string]any
+	fail       bool
+}
+
+func (s *stubConfigurable) Name() string        { return "db" }
+func (s *stubConfigurable) Description() string { return "测试数据库工具" }
+func (s *stubConfigurable) Parameters() map[string]any {
+	return map[string]any{"type": "object"}
+}
+func (s *stubConfigurable) Execute(args json.RawMessage) (string, error) {
+	return "ok", nil
+}
+func (s *stubConfigurable) DefaultConfig() map[string]any {
+	return map[string]any{"host": "127.0.0.1", "password": "请填写"}
+}
+func (s *stubConfigurable) Configure(cfg map[string]any) error {
+	if s.fail {
+		return fmt.Errorf("密码为空")
+	}
+	s.configured = cfg
+	return nil
+}
+
+func TestInitConfigsMissing(t *testing.T) {
+	t.Chdir(t.TempDir())
+	stub := &stubConfigurable{}
+	err := NewRegistry(stub).InitConfigs()
+	if err == nil || !strings.Contains(err.Error(), "db") {
+		t.Fatalf("缺少配置应报错, got %v", err)
+	}
+	data, rerr := os.ReadFile(filepath.Join("data", "tools", "db.yaml"))
+	if rerr != nil {
+		t.Fatalf("默认配置未生成: %v", rerr)
+	}
+	if !strings.Contains(string(data), "请填写") {
+		t.Errorf("默认模板内容异常: %s", data)
+	}
+	if stub.configured != nil {
+		t.Error("缺少配置时不应调用 Configure")
+	}
+}
+
+func TestInitConfigsOK(t *testing.T) {
+	t.Chdir(t.TempDir())
+	if err := os.MkdirAll(filepath.Join("data", "tools"), 0o755); err != nil {
+		t.Fatal(err)
+	}
+	path := filepath.Join("data", "tools", "db.yaml")
+	if err := os.WriteFile(path, []byte("host: localhost\npassword: secret\n"), 0o644); err != nil {
+		t.Fatal(err)
+	}
+	stub := &stubConfigurable{}
+	if err := NewRegistry(stub).InitConfigs(); err != nil {
+		t.Fatalf("InitConfigs 出错: %v", err)
+	}
+	if stub.configured == nil || stub.configured["host"] != "localhost" || stub.configured["password"] != "secret" {
+		t.Errorf("Configure 未收到配置: %v", stub.configured)
+	}
+}
+
+func TestInitConfigsInvalid(t *testing.T) {
+	t.Chdir(t.TempDir())
+	os.MkdirAll(filepath.Join("data", "tools"), 0o755)
+	os.WriteFile(filepath.Join("data", "tools", "db.yaml"), []byte("host: localhost\n"), 0o644)
+	stub := &stubConfigurable{fail: true}
+	err := NewRegistry(stub).InitConfigs()
+	if err == nil || !strings.Contains(err.Error(), "密码为空") {
+		t.Fatalf("非法配置应报错, got %v", err)
+	}
+}
+
+func TestInitConfigsSkipsPlain(t *testing.T) {
+	t.Chdir(t.TempDir())
+	if err := NewRegistry(stubTool{}).InitConfigs(); err != nil {
+		t.Fatalf("普通工具不应报错: %v", err)
+	}
+}
diff --git a/internal/tools/tools.go b/internal/tools/tools.go
index a8de274..cc0c601 100644
--- a/internal/tools/tools.go
+++ b/internal/tools/tools.go
@@ -4,10 +4,12 @@ import (
 	"encoding/json"
 	"fmt"
 	"sort"
+	"strings"
 
 	"github.com/openai/openai-go"
 	"github.com/openai/openai-go/packages/param"
 	"github.com/openai/openai-go/shared"
+	"myaibot/internal/config"
 )
 
 type Tool interface {
@@ -17,6 +19,14 @@ type Tool interface {
 	Execute(args json.RawMessage) (string, error)
 }
 
+// Configurable 是可配置工具的接口：配置文件 data/tools/<Name()>.yaml
+// 缺失时生成默认模板并提醒，存在时注入配置。
+type Configurable interface {
+	Tool
+	DefaultConfig() map[string]any
+	Configure(cfg map[string]any) error
+}
+
 type Registry struct {
 	tools map[string]Tool
 }
@@ -68,3 +78,33 @@ func (r *Registry) Execute(name string, args json.RawMessage) (string, error) {
 	}
 	return t.Execute(args)
 }
+
+// InitConfigs 为可配置工具注入配置。
+// 配置文件缺失时生成默认模板并返回提醒；配置非法时返回错误。
+func (r *Registry) InitConfigs() error {
+	var missing []string
+	for name, t := range r.tools {
+		c, ok := t.(Configurable)
+		if !ok {
+			continue
+		}
+		cfg, found, err := config.LoadToolConfig(name)
+		if err != nil {
+			return fmt.Errorf("工具 %s 配置加载失败: %w", name, err)
+		}
+		if !found {
+			if err := config.WriteDefaultToolConfig(name, c.DefaultConfig()); err != nil {
+				return fmt.Errorf("工具 %s 默认配置生成失败: %w", name, err)
+			}
+			missing = append(missing, fmt.Sprintf("工具 %s 缺少配置，已生成模板 %s，请填写后重启", name, config.ToolConfigPath(name)))
+			continue
+		}
+		if err := c.Configure(cfg); err != nil {
+			return fmt.Errorf("工具 %s 配置无效: %w", name, err)
+		}
+	}
+	if len(missing) > 0 {
+		return fmt.Errorf("%s", strings.Join(missing, "\n"))
+	}
+	return nil
+}
diff --git a/main.go b/main.go
index fbe4616..6ad8ac0 100644
--- a/main.go
+++ b/main.go
@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"io"
 	"log"
+	"os"
 	"strings"
 
 	"github.com/peterh/liner"
@@ -20,7 +21,12 @@ func main() {
 	if err != nil {
 		log.Fatalf("加载配置失败: %v", err)
 	}
-	b := bot.New(cfg)
+	b, err := bot.New(cfg)
+	if err != nil {
+		fmt.Printf("⚠️  %v\n", err)
+		fmt.Println("请填写工具配置文件后重新启动。")
+		os.Exit(1)
+	}
 	provider, model := b.Current()
 	fmt.Printf("🤖 %s 已启动 (供应商: %s, 模型: %s)。输入问题开始对话，输入 /help 查看命令。\n",
 		cfg.BotName, provider, model)