diff --git a/sigs/sig_info.yaml b/sigs/sig_info.yaml
index b238f2bc8c3ea64551b59fc96fa4f2dee7a1188d..2c679f108eceaf8fa01f2e5fbf7b3ea82c882c2b 100644
--- a/sigs/sig_info.yaml
+++ b/sigs/sig_info.yaml
@@ -12,15 +12,11 @@ SIG list:
   - name: MindSpore Trusted AI SIG
     links: https://gitee.com/mindspore/community/blob/master/sigs/security/README_en.md
     introduction: This SIG is responsible for developing trusted AI technologies.
-    maintainer: Siming Liu (Huawei)
+    maintainer: Yuan Yang (Huawei)
   - name: MindSpore Usability SIG
     links: https://gitee.com/mindspore/community/tree/master/sigs/usability/README.md
     introduction: This SIG is responsible for improving the usability of MindSpore for developers.
     maintainer: Shize Han (Huawei)
-  - name: MindSpore Compiler SIG
-    links: https://gitee.com/mindspore/community/tree/master/sigs/compiler/README.md
-    introduction: This SIG is responsible for the development of MindSpore high level graph compilation.
-    maintainer: Qinghua Zhang (Huawei)
   - name: MindSpore Data SIG
     links: https://gitee.com/mindspore/community/tree/master/sigs/data/README.md
     introduction: This SIG is responsible for the development of MindSpore data processing and data format transformation.
@@ -28,7 +24,7 @@ SIG list:
   - name: MindSpore Data Compliance SIG
     links: https://gitee.com/mindspore/community/tree/master/sigs/datacompliance/README.md
     introduction: This SIG aims to reduce the risk of license compliance and help developers to use and share datasets legally.
-    maintainer: Zi Li (Huawei)
+    maintainer: Xuanchen Yan (Huawei)
   - name: MindSpore Quantum SIG
     links: https://gitee.com/mindspore/community/tree/master/sigs/mindquantum/README.md
     introduction: This SIG is responsible for the development of MindSpore quantum software and algorithms.
@@ -37,18 +33,10 @@ SIG list:
     links: https://gitee.com/mindspore/community/tree/master/sigs/CulturalTourism/README.md
     introduction: AI for Cultural tourism industry
     maintainer: Guozeng Sun（School of Computer Science, Shanxi Normal University）
-  - name: MindSpore Elec&SicAI SIG
-    links: https://gitee.com/mindspore/community/tree/master/sigs/mindelec/README.md
-    introduction: Electromagnetic simulation calculation
-    maintainer: Xingzhong Fan（Huawei）
   - name: MindSpore Flow&Earth SIG
     links: https://gitee.com/mindspore/community/tree/master/sigs/mindflow/README.en.md
     introduction: Fluid simulation calculation
     maintainer: Qinghe Meng（Huawei）
-  - name: MindSpore Robot Vision SIG
-    links: https://gitee.com/mindspore/community/tree/master/sigs/RobotVision/README.md
-    introduction: Robot vision technology
-    maintainer: Bin Sun（School of Electrical and Information Engineering, Hunan University）
   - name: MindSpore SPONGE SIG
     links: https://gitee.com/mindspore/community/tree/master/sigs/mindspore_sponge/README.md
     introduction: Simulation package towards next generation molecular modelling
@@ -69,22 +57,10 @@ SIG list:
     links: https://gitee.com/mindspore/community/blob/master/sigs/MSAdapter-SIG/README.md
     introduction: Shengsi MindSpot ecological adaptation tool 
     maintainer: Lai Cheng(Professor of Pengcheng Laboratory)
-  - name: DevelopereXperience SIG
-    links: https://gitee.com/mindspore/community/tree/master/sigs/dx/README.md
-    introduction: This SIG is responsible for improving the experience of those who upstream contribute or develop applications for MindSpore community.
-    maintainer: Jian Cao (Shanghai Jiaotong University)
-  - name: FrontEnd SIG
-    links: https://gitee.com/mindspore/community/tree/master/sigs/frontend/README.md
-    introduction: This SIG is responsible for the development of MindSpore front-end expression.
-    maintainer: Nan Wang (Huawei)
   - name: Executor SIG
     links: https://gitee.com/mindspore/community/tree/master/sigs/executor/README.md
     introduction: This SIG is responsible for the development of MindSpore back-end support for pipeline.
     maintainer: Kaisheng Wang (Huawei)
-  - name: Visualization SIG
-    links: https://gitee.com/mindspore/community/tree/master/sigs/visualization/README.md
-    introduction: This SIG is responsible for the development of Visualized debugging and optimization.
-    maintainer: Jiaxing Zhu (Huawei)
   - name: MSLITE SIG
     links: https://gitee.com/mindspore/community/tree/master/sigs/mslite/README.md
     introduction: This SIG is responsible for the development of MindSpore lite.
@@ -105,10 +81,6 @@ SIG list:
     links: https://gitee.com/mindspore/community/tree/master/sigs/mdp/README.md
     introduction: Deep Probabilistic Programming
     maintainer: Jianfei Chen (Tsinghua University)
-  - name: MedicalImaging SIG
-    links: https://gitee.com/mindspore/community/tree/master/sigs/MedicalImaging/README.md
-    introduction: Medical image-assisted diagnosis
-    maintainer: Xuming Zhang（School of Life Science and Technology, Huazhong University of Science and Technology）
   - name: mindquantfinance SIG
     links: https://gitee.com/mindspore/community/tree/master/sigs/mindquantfinance/README.md
     introduction: Quantitative financial analysis
diff --git a/sigs/sig_info_chinese.yaml b/sigs/sig_info_chinese.yaml
index 13209e6fa02e755d95509b54eaefa50d232e283c..855e0238399040c2e5e3fa18f787a303e976b00e 100644
--- a/sigs/sig_info_chinese.yaml
+++ b/sigs/sig_info_chinese.yaml
@@ -12,15 +12,11 @@ SIG list:
   - name: MindSpore Trusted AI SIG
     links: https://gitee.com/mindspore/community/blob/master/sigs/security/README.md
     introduction: AI安全、AI可解释和隐私保护技术
-    maintainer: Siming Liu (Huawei)
+    maintainer: Yuan Yang (Huawei)
   - name: MindSpore Usability SIG
     links: https://gitee.com/mindspore/community/tree/master/sigs/usability/README.md
     introduction: MindSpore易用性提升
     maintainer: Shize Han (Huawei)
-  - name: MindSpore Compiler SIG
-    links: https://gitee.com/mindspore/community/tree/master/sigs/compiler/README.md
-    introduction: MindSpore图编译技术
-    maintainer: Qinghua Zhang (Huawei)
   - name: MindSpore Data SIG
     links: https://gitee.com/mindspore/community/tree/master/sigs/data/README.md
     introduction: 数据处理和增强技术
@@ -28,7 +24,7 @@ SIG list:
   - name: MindSpore Data Compliance SIG
     links: https://gitee.com/mindspore/community/tree/master/sigs/datacompliance/README.md
     introduction: 数据合规风险分析
-    maintainer: Zi Li (Huawei)
+    maintainer: Xuanchen Yan (Huawei)
   - name: MindSpore Quantum SIG
     links: https://gitee.com/mindspore/community/tree/master/sigs/mindquantum/README.md
     introduction: 量子计算软件与算法
@@ -37,18 +33,10 @@ SIG list:
     links: https://gitee.com/mindspore/community/tree/master/sigs/CulturalTourism/README.md
     introduction: AI与文旅行业的融合
     maintainer: 孙增国（陕西师范大学计算机科学学院）
-  - name: MindSpore Elec&SicAI SIG
-    links: https://gitee.com/mindspore/community/tree/master/sigs/mindelec/README.md
-    introduction: 电磁仿真计算
-    maintainer: Xingzhong Fan（Huawei）
   - name: MindSpore Flow&Earth SIG
     links: https://gitee.com/mindspore/community/tree/master/sigs/mindflow/README.md
     introduction: 流体仿真计算
     maintainer: Qinghe Meng（Huawei）
-  - name: MindSpore Robot Vision SIG
-    links: https://gitee.com/mindspore/community/tree/master/sigs/RobotVision/README.md
-    introduction: 机器人视觉技术
-    maintainer: 孙斌（湖南大学电气与信息工程学院）
   - name: MindSpore SPONGE SIG
     links: https://gitee.com/mindspore/community/tree/master/sigs/mindspore_sponge/README.md
     introduction: 生物仿真计算
@@ -69,22 +57,10 @@ SIG list:
     links: https://gitee.com/mindspore/community/blob/master/sigs/MSAdapter-SIG/README.md
     introduction: 昇思生态适配工具
     maintainer:  赖铖（鹏城实验室）
-  - name: DevelopereXperience SIG
-    links: https://gitee.com/mindspore/community/tree/master/sigs/dx/README.md
-    introduction: MindSpore-Gitee社区的开发者体验提升
-    maintainer: Jian Cao (上海交通大学)
-  - name: FrontEnd SIG
-    links: https://gitee.com/mindspore/community/tree/master/sigs/frontend/README.md
-    introduction: MindSpore前端表达技术
-    maintainer: Nan Wang (Huawei)
   - name: Executor SIG
     links: https://gitee.com/mindspore/community/tree/master/sigs/executor/README.md
     introduction: MindSpore后端控制流技术
     maintainer: Kaisheng Wang (Huawei)
-  - name: Visualization SIG
-    links: https://gitee.com/mindspore/community/tree/master/sigs/visualization/README.md
-    introduction: 模型调试调优可视化技术
-    maintainer: Jiaxing Zhu (Huawei)
   - name: MSLITE SIG
     links: https://gitee.com/mindspore/community/tree/master/sigs/mslite/README.md
     introduction: 端侧AI技术
@@ -105,10 +81,6 @@ SIG list:
     links: https://gitee.com/mindspore/community/tree/master/sigs/mdp/README.md
     introduction: 深度概率编程
     maintainer: Jianfei Chen (清华大学)
-  - name: MedicalImaging SIG
-    links: https://gitee.com/mindspore/community/tree/master/sigs/MedicalImaging/README.md
-    introduction: 医疗影像辅助诊断
-    maintainer: 张旭明（华中科技大学生命科学与技术学院）
   - name: mindquantfinance SIG
     links: https://gitee.com/mindspore/community/tree/master/sigs/mindquantfinance/README.md
     introduction: 量化金融分析