diff --git a/content/zh-CN/images/Key_concept/img_keyconcepts_01.png b/content/zh-CN/images/Key_concept/img_keyconcept_01.png
similarity index 100%
rename from content/zh-CN/images/Key_concept/img_keyconcepts_01.png
rename to content/zh-CN/images/Key_concept/img_keyconcept_01.png
diff --git a/content/zh-CN/images/Key_concept/img_keyconcepts_02.png b/content/zh-CN/images/Key_concept/img_keyconcept_02.png
similarity index 100%
rename from content/zh-CN/images/Key_concept/img_keyconcepts_02.png
rename to content/zh-CN/images/Key_concept/img_keyconcept_02.png
diff --git a/content/zh-CN/images/Key_concept/img_keyconcepts_03.png b/content/zh-CN/images/Key_concept/img_keyconcept_03.png
similarity index 100%
rename from content/zh-CN/images/Key_concept/img_keyconcepts_03.png
rename to content/zh-CN/images/Key_concept/img_keyconcept_03.png
diff --git a/content/zh-CN/images/Key_concept/img_keyconcepts_04.png b/content/zh-CN/images/Key_concept/img_keyconcept_04.png
similarity index 100%
rename from content/zh-CN/images/Key_concept/img_keyconcepts_04.png
rename to content/zh-CN/images/Key_concept/img_keyconcept_04.png
diff --git a/content/zh-TW/images/Key_concept/img_keyconcepts_01.png b/content/zh-TW/images/Key_concept/img_keyconcept_01.png
similarity index 100%
rename from content/zh-TW/images/Key_concept/img_keyconcepts_01.png
rename to content/zh-TW/images/Key_concept/img_keyconcept_01.png
diff --git a/content/zh-TW/images/Key_concept/img_keyconcepts_02.png b/content/zh-TW/images/Key_concept/img_keyconcept_02.png
similarity index 100%
rename from content/zh-TW/images/Key_concept/img_keyconcepts_02.png
rename to content/zh-TW/images/Key_concept/img_keyconcept_02.png
diff --git a/content/zh-TW/images/Key_concept/img_keyconcepts_03.png b/content/zh-TW/images/Key_concept/img_keyconcept_03.png
similarity index 100%
rename from content/zh-TW/images/Key_concept/img_keyconcepts_03.png
rename to content/zh-TW/images/Key_concept/img_keyconcept_03.png
diff --git a/content/zh-TW/images/Key_concept/img_keyconcepts_04.png b/content/zh-TW/images/Key_concept/img_keyconcept_04.png
similarity index 100%
rename from content/zh-TW/images/Key_concept/img_keyconcepts_04.png
rename to content/zh-TW/images/Key_concept/img_keyconcept_04.png