fix api argument error (#1920)

### What problem does this PR solve?

#1918 

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

api/apps/api_app.py

         if not tenants:
             return get_data_error_result(retmsg="Tenant not found!")
 
-        id = request.args.get("dialog_id", request.args["canvas_id"])
+        id = request.args["dialog_id"] if "dialog_id" in request.args else request.args["canvas_id"]
         objs = APITokenService.query(tenant_id=tenants[0].tenant_id, dialog_id=id)
         return get_json_result(data=[o.to_dict() for o in objs])
     except Exception as e:
                 "from_date",
                 (datetime.now() -
                  timedelta(
-                     days=7)).strftime("%Y-%m-%d 24:00:00")),
+                     days=7)).strftime("%Y-%m-%d 00:00:00")),
             request.args.get(
                 "to_date",
                 datetime.now().strftime("%Y-%m-%d %H:%M:%S")),
-            "agent" if request.args.get("canvas_id") else None)
+            "agent" if "canvas_id" in request.args else None)
         res = {
             "pv": [(o["dt"], o["pv"]) for o in objs],
             "uv": [(o["dt"], o["uv"]) for o in objs],

api/apps/document_app.py

     def dummy(prog=None, msg=""):
         pass
 
-    parser_config = {"chunk_token_num": 4096, "delimiter": "\n!?。；！？", "layout_recognize": False}
+    parser_config = {"chunk_token_num": 4096, "delimiter": "\n!?;。；！？", "layout_recognize": False}
     exe = ThreadPoolExecutor(max_workers=12)
     threads = []
     for d, blob in files:

api/db/services/file_service.py

                     doc["parser_id"] = ParserType.AUDIO.value
                 if re.search(r"\.(ppt|pptx|pages)$", filename):
                     doc["parser_id"] = ParserType.PRESENTATION.value
+                if re.search(r"\.(eml)$", filename):
+                    doc["parser_id"] = ParserType.EMAIL.value
                 DocumentService.insert(doc)
 
                 FileService.add_file_from_kb(doc, kb_folder["id"], kb.tenant_id)