fix: change the icon handle logic

api/models/tools.py

@@ -7,6 +7,7 @@ from deprecated import deprecated
 from sqlalchemy import ForeignKey, func
 from sqlalchemy.orm import Mapped, mapped_column
 
+from core.file import helpers as file_helpers
 from core.mcp.types import Tool
 from core.tools.entities.common_entities import I18nObject
 from core.tools.entities.tool_bundle import ApiToolBundle
@@ -248,8 +249,11 @@ class MCPToolProvider(Base):
         return [Tool(**tool) for tool in json.loads(self.tools)]
 
     @property
-    def provider_icon(self) -> dict[str, str]:
-        return cast(dict[str, str], json.loads(self.icon))
+    def provider_icon(self) -> dict[str, str] | str:
+        try:
+            return cast(dict[str, str], json.loads(self.icon))
+        except json.JSONDecodeError:
+            return file_helpers.get_signed_file_url(self.icon)
 
 
 class ToolModelInvoke(Base):

api/services/tools/mcp_tools_mange_service.py

@@ -154,8 +154,14 @@ class MCPToolManageService:
         mcp_provider = cls.get_mcp_provider_by_provider_id(provider_id, tenant_id)
         if mcp_provider is None:
             raise ValueError("MCP tool not found")
-        encrypted_server_url = encrypter.encrypt_token(tenant_id, server_url)
         mcp_provider.name = name
+        mcp_provider.icon = (
+            json.dumps({"content": icon, "background": icon_background}) if icon_type == "emoji" else icon
+        )
+        if "[__HIDDEN__]" in server_url:
+            db.session.commit()
+            return
+        encrypted_server_url = encrypter.encrypt_token(tenant_id, server_url)
         mcp_provider.server_url = encrypted_server_url
         server_url_hash = hashlib.sha256(server_url.encode()).hexdigest()
         # if the server url is changed, we need to re-auth the tool
@@ -176,9 +182,7 @@ class MCPToolManageService:
                     mcp_provider.tools = "[]"
                 mcp_provider.encrypted_credentials = "{}"
                 mcp_provider.server_url_hash = server_url_hash
-            mcp_provider.icon = (
-                json.dumps({"content": icon, "background": icon_background}) if icon_type == "emoji" else icon
-            )
+
             db.session.commit()
         except IntegrityError as e:
             db.session.rollback()