diff --git a/up2b/__init__.py b/up2b/__init__.py
index f3923de..e9213e1 100644
--- a/up2b/__init__.py
+++ b/up2b/__init__.py
@@ -7,6 +7,7 @@
 # @Modified At: 2023-04-19 14:45:15
 # @Modified By: thepoy
 
+from pathlib import Path
 import sys
 import json
 import click
@@ -22,6 +23,7 @@
     CACHE_PATH,
     CONF_FILE,
     IMAGE_BEDS_HELP_MESSAGE,
+    IMAGE_BEDS_NAME,
     ImageBedCode,
 )
 from up2b.up2b_lib.utils import check_paths, read_conf
@@ -198,6 +200,19 @@ def upload(
     ib.upload_images(*paths)
 
 
+@cli.command(
+    short_help="手动添加缓存", help="某些图床禁止上传重复图片，但在上传时又不返回旧图片地址，此时需要你手动获取原图片地址并执行此命令添加到缓存中。"
+)
+@click.argument(
+    "image_path",
+    type=click.Path(exists=True, file_okay=True, dir_okay=False, path_type=Path),
+)
+@click.argument("url", type=str)
+def add_cache(image_path: Path, url: str):
+    ib = _read_image_bed()
+    ib.cache.add(image_path, url, IMAGE_BEDS_NAME[ib.image_bed_code])
+
+
 @cli.command(
     short_help="配置文字水印",
     help="""
diff --git a/up2b/up2b_lib/cache.py b/up2b/up2b_lib/cache.py
index 2aa8fd7..7653e29 100644
--- a/up2b/up2b_lib/cache.py
+++ b/up2b/up2b_lib/cache.py
@@ -1,11 +1,5 @@
 #!/usr/bin/env python3
 # -*- coding:utf-8 -*-
-# @Author:      thepoy
-# @Email:       thepoy@163.com
-# @File Name:   cache.py
-# @Created At:  2023-02-28 22:16:22
-# @Modified At: 2023-03-06 20:34:24
-# @Modified By: thepoy
 
 import sqlite3
 import hashlib
@@ -152,6 +146,20 @@ def save(self, md5: str, image_bed: str, url: str, force: bool = False):
 
             return self.execute(sql, url, md5, image_bed)
 
+    def add(self, image_path: Path, url: str, image_bed: str):
+        md5 = file_md5(image_path)
+        exists = self.is_exists(md5, image_bed)
+        if exists:
+            logger.warning("缓存中已有此图片，无需重复添加")
+            return
+
+        sql = """
+            INSERT INTO cache (url, hash, image_bed) VALUES (?, ?, ?);
+        """
+        self.execute(sql, url, md5, image_bed)
+
+        logger.info("已手动添加缓存", image=image_path, url=url, image_bed=image_bed)
+
     def execute(self, sql: str, *params: Any):
         c = self.conn.cursor()
         return c.execute(sql, params)
diff --git a/up2b/up2b_lib/log.py b/up2b/up2b_lib/log.py
index 519d691..d55b2c4 100644
--- a/up2b/up2b_lib/log.py
+++ b/up2b/up2b_lib/log.py
@@ -8,7 +8,7 @@
 # @Modified By: thepoy
 
 from colorful_logger import get_logger, child_logger as cl
-from colorful_logger.logger import is_debug
+from colorful_logger.logger import is_debug, get_level_from_env
 from up2b.up2b_lib.constants import CONFIG_FOLDER_PATH
 
 log_file_path = None
@@ -26,6 +26,7 @@ def child_logger(name: str):
 logger = get_logger(
     "up2b",
     show=show,
+    level=get_level_from_env(),
     file_path=log_file_path,
     add_file_path=False,
     disable_line_number_filter=True,
diff --git a/up2b/up2b_lib/up2b_api/imgtg.py b/up2b/up2b_lib/up2b_api/imgtg.py
index 737bdeb..6c33d8d 100644
--- a/up2b/up2b_lib/up2b_api/imgtg.py
+++ b/up2b/up2b_lib/up2b_api/imgtg.py
@@ -190,11 +190,16 @@ def __upload(
             "source": (filename, img_buffer, mime_type),
         }
 
+        logger.debug("请求头", header=self.headers)
+
         resp = requests.post(
             url, headers=self.headers, data=data, files=files, timeout=self.timeout  # type: ignore
         )
         resp.encoding = "utf-8"
 
+        logger.debug("实际请求头", header=resp.request.headers)
+        logger.trace("请求体", body=resp.request.body)
+
         try:
             json_resp = resp.json()
         except json.decoder.JSONDecodeError:
@@ -231,6 +236,8 @@ def __upload(
 
                 return self.__upload(image, retries + 1)
             else:
+                logger.debug("上传出错", error=resp.json())
+                logger.error("imgtg 禁止上传重复图片，请检查你之前是否已上传过此图片", image=image)
                 return UploadErrorResponse(
                     resp.status_code, resp.json()["error"]["message"], str(image)
                 )