diff --git a/api/controllers/admin/__init__.py b/api/controllers/admin/__init__.py
index 89a4e5183f..aba299b71b 100644
--- a/api/controllers/admin/__init__.py
+++ b/api/controllers/admin/__init__.py
@@ -8,3 +8,4 @@ api = ExternalApi(bp)
 from .auth import login
 from .stats import stats
 from .students import students
+from .settings import settings
\ No newline at end of file
diff --git a/api/controllers/admin/settings/settings.py b/api/controllers/admin/settings/settings.py
new file mode 100644
index 0000000000..0a76d724d4
--- /dev/null
+++ b/api/controllers/admin/settings/settings.py
@@ -0,0 +1,183 @@
+from flask import Blueprint
+from flask_restful import Api, Resource # type: ignore
+
+from controllers.admin import api
+
+class WatermarkSettings(Resource):
+    def get(self):
+        """Get watermark settings.
+        ---
+        tags:
+          - admin/settings
+        summary: Get watermark settings
+        description: Get current watermark settings for the system
+        security:
+          - ApiKeyAuth: []
+        responses:
+          200:
+            description: Watermark settings retrieved successfully
+            schema:
+              type: object
+              properties:
+                enabled:
+                  type: boolean
+                  description: Whether watermark is enabled
+          401:
+            description: Invalid or missing API key
+        """
+        pass
+
+    def put(self):
+        """Update watermark settings.
+        ---
+        tags:
+          - admin/settings
+        summary: Update watermark settings
+        description: Update system watermark settings
+        security:
+          - ApiKeyAuth: []
+        parameters:
+          - name: body
+            in: body
+            required: true
+            schema:
+              type: object
+              required:
+                - enabled
+              properties:
+                enabled:
+                  type: boolean
+                  description: Enable or disable watermark
+        responses:
+          200:
+            description: Settings updated successfully
+            schema:
+              type: object
+              properties:
+                success:
+                  type: boolean
+                  example: true
+          401:
+            description: Invalid or missing API key
+        """
+        pass
+
+class SystemInfo(Resource):
+    def get(self):
+        """Get system information.
+        ---
+        tags:
+          - admin/settings
+        summary: Get system information
+        description: Get system version, manual link and other system information
+        security:
+          - ApiKeyAuth: []
+        responses:
+          200:
+            description: System information retrieved successfully
+            schema:
+              type: object
+              properties:
+                version:
+                  type: string
+                  description: Current system version
+                manual_url:
+                  type: string
+                  description: URL to the user manual (Feishu doc)
+                about:
+                  type: string
+                  description: About information
+                agreements:
+                  type: array
+                  items:
+                    type: object
+                    properties:
+                      title:
+                        type: string
+                      content:
+                        type: string
+          401:
+            description: Invalid or missing API key
+        """
+        pass
+
+class OperationLogs(Resource):
+    def get(self):
+        """Get operation logs.
+        ---
+        tags:
+          - admin/settings
+        summary: Get operation logs
+        description: Get system operation logs with filters
+        security:
+          - ApiKeyAuth: []
+        parameters:
+          - name: start_date
+            in: query
+            type: string
+            format: date
+            description: Start date for log search
+          - name: end_date
+            in: query
+            type: string
+            format: date
+            description: End date for log search
+          - name: action
+            in: query
+            type: string
+            description: Filter by action type (login, view_stats, view_list, etc)
+          - name: operator
+            in: query
+            type: string
+            description: Filter by operator phone number
+          - name: page
+            in: query
+            type: integer
+            default: 1
+            description: Page number
+          - name: per_page
+            in: query
+            type: integer
+            default: 20
+            description: Items per page
+        responses:
+          200:
+            description: Operation logs retrieved successfully
+            schema:
+              type: object
+              properties:
+                total:
+                  type: integer
+                  description: Total number of matching logs
+                logs:
+                  type: array
+                  items:
+                    type: object
+                    properties:
+                      id:
+                        type: string
+                      timestamp:
+                        type: string
+                        format: date-time
+                      operator:
+                        type: string
+                        description: Phone number of the operator
+                      action:
+                        type: string
+                        description: Action performed
+                      target:
+                        type: string
+                        description: Target of the action
+                      details:
+                        type: object
+                        description: Additional action details
+          401:
+            description: Invalid or missing API key
+          400:
+            description: Invalid filter parameters
+        """
+        pass
+
+api.add_resource(WatermarkSettings, '/settings/watermark')
+api.add_resource(SystemInfo, '/settings/info')
+api.add_resource(OperationLogs, '/settings/logs')