diff --git a/docs/docs.go b/docs/docs.go
index c5339922..1b758a10 100644
--- a/docs/docs.go
+++ b/docs/docs.go
@@ -5356,7 +5356,7 @@ const docTemplate = `{
                     "type": "boolean"
                 },
                 "Type": {
-                    "description": "类型：string, text, number",
+                    "description": "类型：string, text, number, boolean",
                     "type": "string"
                 }
             }
diff --git a/docs/swagger.json b/docs/swagger.json
index 0919451a..70f4a70e 100644
--- a/docs/swagger.json
+++ b/docs/swagger.json
@@ -5349,7 +5349,7 @@
                     "type": "boolean"
                 },
                 "Type": {
-                    "description": "类型：string, text, number",
+                    "description": "类型：string, text, number, boolean",
                     "type": "string"
                 }
             }
diff --git a/docs/swagger.yaml b/docs/swagger.yaml
index ff58a143..68dcc41a 100644
--- a/docs/swagger.yaml
+++ b/docs/swagger.yaml
@@ -764,7 +764,7 @@ definitions:
         description: 是否必填
         type: boolean
       Type:
-        description: 类型：string, text, number
+        description: 类型：string, text, number, boolean
         type: string
     type: object
   task.UpdateScheduleRequest:
diff --git a/internal/task/meta.go b/internal/task/meta.go
index fb16b005..8c11301b 100644
--- a/internal/task/meta.go
+++ b/internal/task/meta.go
@@ -43,6 +43,11 @@ var (
 func RegisterTaskMeta(meta TaskMeta) {
 	dispatchableTasksMutex.Lock()
 	defer dispatchableTasksMutex.Unlock()
+	for _, t := range dispatchableTasks {
+		if t.Type == meta.Type {
+			return
+		}
+	}
 	dispatchableTasks = append(dispatchableTasks, meta)
 }
 
diff --git a/internal/task/meta_test.go b/internal/task/meta_test.go
new file mode 100644
index 00000000..e91c1b6b
--- /dev/null
+++ b/internal/task/meta_test.go
@@ -0,0 +1,31 @@
+// Copyright 2026 Arctel.net
+// SPDX-License-Identifier: Apache-2.0
+
+package task_test
+
+import (
+	"testing"
+
+	"github.com/Rain-kl/Wavelet/internal/task"
+	taskhandlers "github.com/Rain-kl/Wavelet/internal/task/handlers"
+)
+
+func TestDuplicateTaskMeta(t *testing.T) {
+	// Call Register twice to simulate being imported by multiple packages (routers, worker, etc.)
+	taskhandlers.Register()
+	taskhandlers.Register()
+
+	metas := task.GetDispatchableTasks()
+
+	// Check if we have duplicates by checking if a Type appears more than once
+	seen := make(map[string]int)
+	for _, m := range metas {
+		seen[m.Type]++
+	}
+
+	for taskType, count := range seen {
+		if count > 1 {
+			t.Errorf("Task type %q registered %d times, expected at most 1", taskType, count)
+		}
+	}
+}