diff --git a/README.md b/README.md
index 64cd2585b420597294d9d1d9152164a26d853709..fb713c4ea753ba26f295bc2c0c0f4ca5fef4aadd 100644
--- a/README.md
+++ b/README.md
@@ -27,8 +27,8 @@ PaddleOCR aims to create multilingual, awesome, leading, and practical OCR tools
 ## Visualization
 
 <div align="center">
-    <img src="doc/imgs_results/1101.jpg" width="800">
-    <img src="doc/imgs_results/1103.jpg" width="800">
+    <img src="doc/imgs_results/ch_ppocr_mobile_v2.0/test_add_91.jpg" width="800">
+    <img src="doc/imgs_results/ch_ppocr_mobile_v2.0/00018069.jpg" width="800">
 </div>
 
 The above pictures are the visualizations of the general ppocr_server model. For more effect pictures, please see [More visualizations](./doc/doc_en/visualization_en.md).
@@ -138,12 +138,12 @@ PP-OCR is a practical ultra-lightweight OCR system. It is mainly composed of thr
 
 - English OCR model
 <div align="center">
-    <img src="./doc/imgs_results/img_12.jpg" width="800">
+    <img src="./doc/imgs_results/ch_ppocr_mobile_v2.0/img_12.jpg" width="800">
 </div>
 
 - Multilingual OCR model
 <div align="center">
-    <img src="./doc/imgs_results/1110.jpg" width="800">
+    <img src="./doc/imgs_results/french_0.jpg" width="800">
     <img src="./doc/imgs_results/korean.jpg" width="800">
 </div>
 
diff --git a/README_ch.md b/README_ch.md
index 8adda06bff583fc3c78672c7a55ad6682ccaa93a..c472e5c2fec3cadf361f2705d532b916859d4b25 100644
--- a/README_ch.md
+++ b/README_ch.md
@@ -31,8 +31,8 @@ PaddleOCR旨在打造一套丰富、领先、且实用的OCR工具库，助力
 ## 效果展示
 
 <div align="center">
-    <img src="doc/imgs_results/1101.jpg" width="800">
-    <img src="doc/imgs_results/1103.jpg" width="800">
+    <img src="doc/imgs_results/ch_ppocr_mobile_v2.0/test_add_91.jpg" width="800">
+    <img src="doc/imgs_results/ch_ppocr_mobile_v2.0/00018069.jpg" width="800">
 </div>
 
 上图是通用ppocr_server模型效果展示，更多效果图请见[效果展示页面](./doc/doc_ch/visualization.md)。
@@ -125,7 +125,7 @@ PP-OCR是一个实用的超轻量OCR系统。主要由DB文本检测、检测框
 
 - 其他语言模型
 <div align="center">
-    <img src="./doc/imgs_results/1110.jpg" width="800">
+    <img src="./doc/imgs_results/french_0.jpg" width="800">
     <img src="./doc/imgs_results/korean.jpg" width="800">
 </div>
 
diff --git a/doc/doc_ch/visualization.md b/doc/doc_ch/visualization.md
index 8c8e1f36bc174af6c74ce349ce130c37c9617021..799ba6a6833821c3545e9b101425ac3b655aa818 100644
--- a/doc/doc_ch/visualization.md
+++ b/doc/doc_ch/visualization.md
@@ -8,53 +8,24 @@
     <img src="../imgs_results/ch_ppocr_mobile_v2.0/00111002.jpg" width="800">
     <img src="../imgs_results/ch_ppocr_mobile_v2.0/00164416.jpg" width="800">
     <img src="../imgs_results/ch_ppocr_mobile_v2.0/test_add_182.jpg" width="800">
-</div>
-
-
-<a name="通用ppocr_server_1.1效果展示"></a>
-## 通用ppocr_server_1.1效果展示
-
-<div align="center">
-    <img src="../imgs_results/1101.jpg" width="800">
-    <img src="../imgs_results/1102.jpg" width="800">
-    <img src="../imgs_results/1103.jpg" width="800">
-    <img src="../imgs_results/1104.jpg" width="800">
-    <img src="../imgs_results/1105.jpg" width="800">
-    <img src="../imgs_results/1106.jpg" width="800">
+    <img src="../imgs_results/ch_ppocr_mobile_v2.0/00001691.jpg" width="800">
+    <img src="../imgs_results/ch_ppocr_mobile_v2.0/00202426.jpg" width="800">
+    <img src="../imgs_results/ch_ppocr_mobile_v2.0/test_add_102.jpg" width="800">
+    <img src="../imgs_results/ch_ppocr_mobile_v2.0/00150949.jpg" width="800">
+    <img src="../imgs_results/ch_ppocr_mobile_v2.0/test_add_170.jpg" width="800">
 </div>
 
 
 <a name="英文识别模型效果展示"></a>
 ## 英文识别模型效果展示
 <div align="center">
-    <img src="../imgs_results/img_12.jpg" width="800">
+    <img src="../imgs_results/ch_ppocr_mobile_v2/img_12.jpg" width="800">
 </div>
 
 
 <a name="多语言识别模型效果展示"></a>
 ## 多语言识别模型效果展示
 <div align="center">
-    <img src="../imgs_results/1110.jpg" width="800">
-    <img src="../imgs_results/1112.jpg" width="800">
-</div>
-
-
-<a name="超轻量ppocr_mobile_1.0效果展示"></a>
-## 超轻量ppocr_mobile_1.0效果展示
-
-<div align="center">
-    <img src="../imgs_results/1.jpg" width="800">
-    <img src="../imgs_results/7.jpg" width="800">
-    <img src="../imgs_results/6.jpg" width="800">
-    <img src="../imgs_results/16.png" width="800">
-</div>
-
-
-<a name="通用ppocr_server_1.0效果展示"></a>
-## 通用ppocr_server_1.0效果展示
-
-<div align="center">
-    <img src="../imgs_results/chinese_db_crnn_server/11.jpg" width="800">
-    <img src="../imgs_results/chinese_db_crnn_server/2.jpg" width="800">
-    <img src="../imgs_results/chinese_db_crnn_server/8.jpg" width="800">
+    <img src="./doc/imgs_results/french_0.jpg" width="800">
+    <img src="./doc/imgs_results/korean.jpg" width="800">
 </div>
diff --git a/doc/doc_en/visualization_en.md b/doc/doc_en/visualization_en.md
index 35236acc82a2208d999e9e00834ea287316813ab..26ca2a2b949ae97b8a38f3c2935d8cfa31c4a47b 100644
--- a/doc/doc_en/visualization_en.md
+++ b/doc/doc_en/visualization_en.md
@@ -9,53 +9,25 @@
     <img src="../imgs_results/ch_ppocr_mobile_v2.0/00111002.jpg" width="800">
     <img src="../imgs_results/ch_ppocr_mobile_v2.0/00164416.jpg" width="800">
     <img src="../imgs_results/ch_ppocr_mobile_v2.0/test_add_182.jpg" width="800">
+    <img src="../imgs_results/ch_ppocr_mobile_v2.0/00001691.jpg" width="800">
+    <img src="../imgs_results/ch_ppocr_mobile_v2.0/00202426.jpg" width="800">
+    <img src="../imgs_results/ch_ppocr_mobile_v2.0/test_add_102.jpg" width="800">
+    <img src="../imgs_results/ch_ppocr_mobile_v2.0/00150949.jpg" width="800">
+    <img src="../imgs_results/ch_ppocr_mobile_v2.0/test_add_170.jpg" width="800">
 </div>
 
 
-<a name="ppocr_server_1.1"></a>
-## ch_ppocr_server_1.1
-
-<div align="center">
-    <img src="../imgs_results/1101.jpg" width="800">
-    <img src="../imgs_results/1102.jpg" width="800">
-    <img src="../imgs_results/1103.jpg" width="800">
-    <img src="../imgs_results/1104.jpg" width="800">
-    <img src="../imgs_results/1105.jpg" width="800">
-    <img src="../imgs_results/1106.jpg" width="800">
-</div>
-
 
 <a name="en_ppocr_mobile_1.1"></a>
 ## en_ppocr_mobile_1.1
 <div align="center">
-    <img src="../imgs_results/img_12.jpg" width="800">
+    <img src="../imgs_results/ch_ppocr_mobile_v2.0/img_12.jpg" width="800">
 </div>
 
 
 <a name="multilingual"></a>
 ## (multilingual)_ppocr_mobile_1.1
 <div align="center">
-    <img src="../imgs_results/1110.jpg" width="800">
-    <img src="../imgs_results/1112.jpg" width="800">
-</div>
-
-
-<a name="ppocr_mobile_1.0"></a>
-## ppocr_mobile_1.0
-
-<div align="center">
-    <img src="../imgs_results/1.jpg" width="800">
-    <img src="../imgs_results/7.jpg" width="800">
-    <img src="../imgs_results/6.jpg" width="800">
-    <img src="../imgs_results/16.png" width="800">
-</div>
-
-
-<a name="ppocr_server_1.0"></a>
-## ppocr_server_1.0
-
-<div align="center">
-    <img src="../imgs_results/chinese_db_crnn_server/11.jpg" width="800">
-    <img src="../imgs_results/chinese_db_crnn_server/2.jpg" width="800">
-    <img src="../imgs_results/chinese_db_crnn_server/8.jpg" width="800">
+    <img src="./doc/imgs_results/french_0.jpg" width="800">
+    <img src="./doc/imgs_results/korean.jpg" width="800">
 </div>
diff --git a/doc/imgs/korean_1.jpg b/doc/imgs/korean_1.jpg
index f1614e9f286a82261312731e13e8256410b160e3..4259c046c29257f15107f734e142fa511db9769b 100644
Binary files a/doc/imgs/korean_1.jpg and b/doc/imgs/korean_1.jpg differ
diff --git a/doc/imgs_results/1.jpg b/doc/imgs_results/1.jpg
deleted file mode 100644
index 0d180854acd0142cad7c4d9beb635368f39c1321..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/1.jpg and /dev/null differ
diff --git a/doc/imgs_results/10.jpg b/doc/imgs_results/10.jpg
deleted file mode 100644
index f5dd8b802ca1b86ea99cbe8eeaa8551ddfda7f04..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/10.jpg and /dev/null differ
diff --git a/doc/imgs_results/11.jpg b/doc/imgs_results/11.jpg
deleted file mode 100644
index dfa0a9f852449ed6ed663b700c6a462715515299..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/11.jpg and /dev/null differ
diff --git a/doc/imgs_results/1101.jpg b/doc/imgs_results/1101.jpg
deleted file mode 100644
index fa8d809a9b133ca09e4265355493e5c60e311e44..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/1101.jpg and /dev/null differ
diff --git a/doc/imgs_results/1102.jpg b/doc/imgs_results/1102.jpg
deleted file mode 100644
index 6988b12c4b836e88b67897a7b7141e12e236e7c0..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/1102.jpg and /dev/null differ
diff --git a/doc/imgs_results/1103.jpg b/doc/imgs_results/1103.jpg
deleted file mode 100644
index 3437f60b8e587b0fda9c88aa37c001a68ace59b4..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/1103.jpg and /dev/null differ
diff --git a/doc/imgs_results/1104.jpg b/doc/imgs_results/1104.jpg
deleted file mode 100644
index 9297be0787ad6cc89c43acfcd1abd010c512c45b..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/1104.jpg and /dev/null differ
diff --git a/doc/imgs_results/1105.jpg b/doc/imgs_results/1105.jpg
deleted file mode 100644
index 6280e5eec8c05125bcde2a171d767a3fc3f3ea4d..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/1105.jpg and /dev/null differ
diff --git a/doc/imgs_results/1106.jpg b/doc/imgs_results/1106.jpg
deleted file mode 100644
index 61f3915d5a36b02537681687dafb0e2e9303eea2..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/1106.jpg and /dev/null differ
diff --git a/doc/imgs_results/1110.jpg b/doc/imgs_results/1110.jpg
deleted file mode 100644
index b0c63e7c47c9ddbd555df34f8a9c17bf7d93043d..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/1110.jpg and /dev/null differ
diff --git a/doc/imgs_results/1112.jpg b/doc/imgs_results/1112.jpg
deleted file mode 100644
index 35bec155034ba5860620f8c9d387dbc71607d6fe..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/1112.jpg and /dev/null differ
diff --git a/doc/imgs_results/12.jpg b/doc/imgs_results/12.jpg
deleted file mode 100644
index 61e312dbd3b87d759863b8ad2bdee7d710614919..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/12.jpg and /dev/null differ
diff --git a/doc/imgs_results/13.png b/doc/imgs_results/13.png
deleted file mode 100644
index a460d127012dafe664db466f47b223c7aa369ff8..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/13.png and /dev/null differ
diff --git a/doc/imgs_results/15.jpg b/doc/imgs_results/15.jpg
deleted file mode 100644
index 04ddeaa7156278db62c3c25f1d0bb4e43e18d186..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/15.jpg and /dev/null differ
diff --git a/doc/imgs_results/16.png b/doc/imgs_results/16.png
deleted file mode 100644
index fbd3e184473ebc9f0be016ae542d7e5066d037cb..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/16.png and /dev/null differ
diff --git a/doc/imgs_results/17.png b/doc/imgs_results/17.png
deleted file mode 100644
index 1b606b6391b1d4ab8e1f6bd5aaa889715e6776d4..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/17.png and /dev/null differ
diff --git a/doc/imgs_results/22.jpg b/doc/imgs_results/22.jpg
deleted file mode 100644
index beaf2acc9d9beee582cbad6a744e9561ba918b1b..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/22.jpg and /dev/null differ
diff --git a/doc/imgs_results/3.jpg b/doc/imgs_results/3.jpg
deleted file mode 100644
index a27e28d93ddd6415c87bf9a18c14154681d34f7c..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/3.jpg and /dev/null differ
diff --git a/doc/imgs_results/4.jpg b/doc/imgs_results/4.jpg
deleted file mode 100644
index f055e8b31bcd9e437d580a996494460919762774..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/4.jpg and /dev/null differ
diff --git a/doc/imgs_results/5.jpg b/doc/imgs_results/5.jpg
deleted file mode 100644
index 9df29cc9af7dd8ea80b0c9dbb4f028a0d2f54a8e..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/5.jpg and /dev/null differ
diff --git a/doc/imgs_results/6.jpg b/doc/imgs_results/6.jpg
deleted file mode 100644
index 8e3655b57476834510faeb165ee0dfaa270b454f..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/6.jpg and /dev/null differ
diff --git a/doc/imgs_results/7.jpg b/doc/imgs_results/7.jpg
deleted file mode 100644
index 015509e8ea554cde87a62573bf835f0c97d88bc8..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/7.jpg and /dev/null differ
diff --git a/doc/imgs_results/8.jpg b/doc/imgs_results/8.jpg
deleted file mode 100644
index 728070203099c4ea079bea9ab2ead48af0f35750..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/8.jpg and /dev/null differ
diff --git a/doc/imgs_results/9.jpg b/doc/imgs_results/9.jpg
deleted file mode 100644
index 362bb7f7524cb57e877b88eadcdfb583091264f5..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/9.jpg and /dev/null differ
diff --git a/doc/imgs_results/ch_ppocr_mobile_v2.0/00001691.jpg b/doc/imgs_results/ch_ppocr_mobile_v2.0/00001691.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..2c6e21a9c283dd8f7cdc4a9313d4a9c57c7553f0
Binary files /dev/null and b/doc/imgs_results/ch_ppocr_mobile_v2.0/00001691.jpg differ
diff --git a/doc/imgs_results/ch_ppocr_mobile_v2.0/00018069.jpg b/doc/imgs_results/ch_ppocr_mobile_v2.0/00018069.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..d08ff27eaf2ea9fe5e41971a4c473d370719969a
Binary files /dev/null and b/doc/imgs_results/ch_ppocr_mobile_v2.0/00018069.jpg differ
diff --git a/doc/imgs_results/ch_ppocr_mobile_v2.0/00150949.jpg b/doc/imgs_results/ch_ppocr_mobile_v2.0/00150949.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..65f0bd4d7e8a658f66a9f2076935544a41308489
Binary files /dev/null and b/doc/imgs_results/ch_ppocr_mobile_v2.0/00150949.jpg differ
diff --git a/doc/imgs_results/ch_ppocr_mobile_v2.0/00202426.jpg b/doc/imgs_results/ch_ppocr_mobile_v2.0/00202426.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..fb9ead0fe20c9f4b19ffca716d4e7e24ee8c60b3
Binary files /dev/null and b/doc/imgs_results/ch_ppocr_mobile_v2.0/00202426.jpg differ
diff --git a/doc/imgs_results/img_12.jpg b/doc/imgs_results/ch_ppocr_mobile_v2.0/img_12.jpg
similarity index 100%
rename from doc/imgs_results/img_12.jpg
rename to doc/imgs_results/ch_ppocr_mobile_v2.0/img_12.jpg
diff --git a/doc/imgs_results/ch_ppocr_mobile_v2.0/test_add_102.jpg b/doc/imgs_results/ch_ppocr_mobile_v2.0/test_add_102.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..97bdeb380c39f3c42306ff7a441f69b09bb05efb
Binary files /dev/null and b/doc/imgs_results/ch_ppocr_mobile_v2.0/test_add_102.jpg differ
diff --git a/doc/imgs_results/ch_ppocr_mobile_v2.0/test_add_170.jpg b/doc/imgs_results/ch_ppocr_mobile_v2.0/test_add_170.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..c24dda9ec8aa8eff7e393f4e6b23d97117554e08
Binary files /dev/null and b/doc/imgs_results/ch_ppocr_mobile_v2.0/test_add_170.jpg differ
diff --git a/doc/imgs_results/ch_ppocr_mobile_v2.0/test_add_91.jpg b/doc/imgs_results/ch_ppocr_mobile_v2.0/test_add_91.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..c64badf84ed83b3ecb53d921909dbfca27037766
Binary files /dev/null and b/doc/imgs_results/ch_ppocr_mobile_v2.0/test_add_91.jpg differ
diff --git a/doc/imgs_results/chinese_db_crnn_server/1.jpg b/doc/imgs_results/chinese_db_crnn_server/1.jpg
deleted file mode 100644
index 04838988a13cd09e280fc8c1c316d65471bfb7d8..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/chinese_db_crnn_server/1.jpg and /dev/null differ
diff --git a/doc/imgs_results/chinese_db_crnn_server/10.jpg b/doc/imgs_results/chinese_db_crnn_server/10.jpg
deleted file mode 100644
index 0ca280b859a46b8af272d76f53db42402417689d..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/chinese_db_crnn_server/10.jpg and /dev/null differ
diff --git a/doc/imgs_results/chinese_db_crnn_server/11.jpg b/doc/imgs_results/chinese_db_crnn_server/11.jpg
deleted file mode 100644
index d34ab7560b827152dbd13a40868a3c4a4c918c6c..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/chinese_db_crnn_server/11.jpg and /dev/null differ
diff --git a/doc/imgs_results/chinese_db_crnn_server/12.jpg b/doc/imgs_results/chinese_db_crnn_server/12.jpg
deleted file mode 100644
index ee33dd666d8838a058185cef84e0901e3306e714..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/chinese_db_crnn_server/12.jpg and /dev/null differ
diff --git a/doc/imgs_results/chinese_db_crnn_server/13.png b/doc/imgs_results/chinese_db_crnn_server/13.png
deleted file mode 100644
index fb5b81c28301f8c1817b4be4a5665a1ea33841d6..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/chinese_db_crnn_server/13.png and /dev/null differ
diff --git a/doc/imgs_results/chinese_db_crnn_server/15.jpg b/doc/imgs_results/chinese_db_crnn_server/15.jpg
deleted file mode 100644
index fd51309c6bf06adfe41ebeb2156d11c8784f544d..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/chinese_db_crnn_server/15.jpg and /dev/null differ
diff --git a/doc/imgs_results/chinese_db_crnn_server/16.png b/doc/imgs_results/chinese_db_crnn_server/16.png
deleted file mode 100644
index 05679e18ce4019bec6c595d4250e1dd96e8d5f6e..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/chinese_db_crnn_server/16.png and /dev/null differ
diff --git a/doc/imgs_results/chinese_db_crnn_server/17.png b/doc/imgs_results/chinese_db_crnn_server/17.png
deleted file mode 100644
index d57172bca5452d15cec000cd2dd29499b9cd4db4..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/chinese_db_crnn_server/17.png and /dev/null differ
diff --git a/doc/imgs_results/chinese_db_crnn_server/2.jpg b/doc/imgs_results/chinese_db_crnn_server/2.jpg
deleted file mode 100644
index 08b6040973672e3b7223a5f60eb1dfadb2893c4f..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/chinese_db_crnn_server/2.jpg and /dev/null differ
diff --git a/doc/imgs_results/chinese_db_crnn_server/22.jpg b/doc/imgs_results/chinese_db_crnn_server/22.jpg
deleted file mode 100644
index 19cca2ad7b179d35380cba3605a39e9a7350edc0..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/chinese_db_crnn_server/22.jpg and /dev/null differ
diff --git a/doc/imgs_results/chinese_db_crnn_server/3.jpg b/doc/imgs_results/chinese_db_crnn_server/3.jpg
deleted file mode 100644
index 35246cad823ae04374291aa6bab34a465d47b677..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/chinese_db_crnn_server/3.jpg and /dev/null differ
diff --git a/doc/imgs_results/chinese_db_crnn_server/4.jpg b/doc/imgs_results/chinese_db_crnn_server/4.jpg
deleted file mode 100644
index f3e44f2b820b06afe596ba3ccd008fa11f6bd6f0..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/chinese_db_crnn_server/4.jpg and /dev/null differ
diff --git a/doc/imgs_results/chinese_db_crnn_server/5.jpg b/doc/imgs_results/chinese_db_crnn_server/5.jpg
deleted file mode 100644
index e794068d394889c8b24c5c4893abc3192a16416d..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/chinese_db_crnn_server/5.jpg and /dev/null differ
diff --git a/doc/imgs_results/chinese_db_crnn_server/6.jpg b/doc/imgs_results/chinese_db_crnn_server/6.jpg
deleted file mode 100644
index 6d1ea84dad584e4e91642f56dbf73b7d7e22dc20..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/chinese_db_crnn_server/6.jpg and /dev/null differ
diff --git a/doc/imgs_results/chinese_db_crnn_server/7.jpg b/doc/imgs_results/chinese_db_crnn_server/7.jpg
deleted file mode 100644
index 943a5a7f359c32e920ae329f3dce985e49621761..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/chinese_db_crnn_server/7.jpg and /dev/null differ
diff --git a/doc/imgs_results/chinese_db_crnn_server/8.jpg b/doc/imgs_results/chinese_db_crnn_server/8.jpg
deleted file mode 100644
index b6b0387f162cbe0e3f19df897d816655519e967e..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/chinese_db_crnn_server/8.jpg and /dev/null differ
diff --git a/doc/imgs_results/chinese_db_crnn_server/9.jpg b/doc/imgs_results/chinese_db_crnn_server/9.jpg
deleted file mode 100644
index cb9d7ff03e64aa437db1bd737a22cd8d8c2e3041..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/chinese_db_crnn_server/9.jpg and /dev/null differ
diff --git a/doc/imgs_results/chinese_db_crnn_server/en_paper.jpg b/doc/imgs_results/chinese_db_crnn_server/en_paper.jpg
deleted file mode 100644
index c051d3fdb54204e87873093359c486ee0aab8184..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/chinese_db_crnn_server/en_paper.jpg and /dev/null differ
diff --git a/doc/imgs_results/french_0.jpg b/doc/imgs_results/french_0.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..d31667e0f5dc7358347b6f6fb20a60a985a39966
Binary files /dev/null and b/doc/imgs_results/french_0.jpg differ
diff --git a/doc/imgs_results/img_10.jpg b/doc/imgs_results/img_10.jpg
deleted file mode 100644
index e9635d172dd9c310e7807a6a6cc204b24a2027c6..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/img_10.jpg and /dev/null differ
diff --git a/doc/imgs_results/img_11.jpg b/doc/imgs_results/img_11.jpg
deleted file mode 100644
index cf942f9a59c35041e5a1885d14d7cf8aa582f54d..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/img_11.jpg and /dev/null differ
diff --git a/doc/imgs_results/korean.jpg b/doc/imgs_results/korean.jpg
deleted file mode 100644
index e5d863cd8695505c7d3915d5da07fb5d9de92b73..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results/korean.jpg and /dev/null differ
diff --git a/doc/imgs_results_vis2/1.jpg b/doc/imgs_results_vis2/1.jpg
deleted file mode 100644
index f6bb48b6d221041238b01b6f2cf331ed2d45770a..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results_vis2/1.jpg and /dev/null differ
diff --git a/doc/imgs_results_vis2/10.jpg b/doc/imgs_results_vis2/10.jpg
deleted file mode 100644
index 03585245bf93d592530f344d906847080891de50..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results_vis2/10.jpg and /dev/null differ
diff --git a/doc/imgs_results_vis2/11.jpg b/doc/imgs_results_vis2/11.jpg
deleted file mode 100644
index 2b5392a5a8836b56e84dd2695eac239cbeb81b46..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results_vis2/11.jpg and /dev/null differ
diff --git a/doc/imgs_results_vis2/12.jpg b/doc/imgs_results_vis2/12.jpg
deleted file mode 100644
index a7b6518cf5241f1ef6f30d02225e8c883b552d76..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results_vis2/12.jpg and /dev/null differ
diff --git a/doc/imgs_results_vis2/13.png b/doc/imgs_results_vis2/13.png
deleted file mode 100644
index fca7ac3953e2443da0bb0a470e72a564ebec6e4d..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results_vis2/13.png and /dev/null differ
diff --git a/doc/imgs_results_vis2/15.jpg b/doc/imgs_results_vis2/15.jpg
deleted file mode 100644
index 47a32eeff2ecd9667cd3fb890472eec7612f14d0..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results_vis2/15.jpg and /dev/null differ
diff --git a/doc/imgs_results_vis2/16.png b/doc/imgs_results_vis2/16.png
deleted file mode 100644
index 191c4759fcd23dc306b03205e0295e10eed13ab1..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results_vis2/16.png and /dev/null differ
diff --git a/doc/imgs_results_vis2/17.png b/doc/imgs_results_vis2/17.png
deleted file mode 100644
index 0ba1b073e7edcee78ca7e6195b8487381f6c5663..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results_vis2/17.png and /dev/null differ
diff --git a/doc/imgs_results_vis2/2.jpg b/doc/imgs_results_vis2/2.jpg
deleted file mode 100644
index 8e46314c88c931ff98b3d6ac75eae184698e639a..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results_vis2/2.jpg and /dev/null differ
diff --git a/doc/imgs_results_vis2/22.jpg b/doc/imgs_results_vis2/22.jpg
deleted file mode 100644
index aea7791cf7953bf2708a8fbe44ecab6c3b8b9396..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results_vis2/22.jpg and /dev/null differ
diff --git a/doc/imgs_results_vis2/3.jpg b/doc/imgs_results_vis2/3.jpg
deleted file mode 100644
index f3ac72acfa552a326ac81b45186f07c4e8a1e46e..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results_vis2/3.jpg and /dev/null differ
diff --git a/doc/imgs_results_vis2/4.jpg b/doc/imgs_results_vis2/4.jpg
deleted file mode 100644
index 6986959d935ec02fd345dd47bf3ca2f5b0606d71..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results_vis2/4.jpg and /dev/null differ
diff --git a/doc/imgs_results_vis2/5.jpg b/doc/imgs_results_vis2/5.jpg
deleted file mode 100644
index c6fadd0ec1401c25f2902482f971a4cd98c69e8c..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results_vis2/5.jpg and /dev/null differ
diff --git a/doc/imgs_results_vis2/6.jpg b/doc/imgs_results_vis2/6.jpg
deleted file mode 100644
index 232e53a3b0d3299d7ac93298901a692da8345e95..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results_vis2/6.jpg and /dev/null differ
diff --git a/doc/imgs_results_vis2/7.jpg b/doc/imgs_results_vis2/7.jpg
deleted file mode 100644
index 31ee1078409c49418cbad8e15143da98c799bdb3..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results_vis2/7.jpg and /dev/null differ
diff --git a/doc/imgs_results_vis2/8.jpg b/doc/imgs_results_vis2/8.jpg
deleted file mode 100644
index db6e913ce6f44f5262afe5432f5a62745be322ee..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results_vis2/8.jpg and /dev/null differ
diff --git a/doc/imgs_results_vis2/9.jpg b/doc/imgs_results_vis2/9.jpg
deleted file mode 100644
index 5b28f97b3f3687a61d34e297878b0e6aeb82db12..0000000000000000000000000000000000000000
Binary files a/doc/imgs_results_vis2/9.jpg and /dev/null differ