diff --git a/picture/logo.png b/logo.png
similarity index 100%
rename from picture/logo.png
rename to logo.png
diff --git a/picture/APIJSON_App_MomentList_Circle.gif b/picture/APIJSON_App_MomentList_Circle.gif
deleted file mode 100644
index bf909439..00000000
Binary files a/picture/APIJSON_App_MomentList_Circle.gif and /dev/null differ
diff --git a/picture/APIJSON_App_Moment_Comment.gif b/picture/APIJSON_App_Moment_Comment.gif
deleted file mode 100644
index f6c810ee..00000000
Binary files a/picture/APIJSON_App_Moment_Comment.gif and /dev/null differ
diff --git a/picture/APIJSON_App_Moment_Name.gif b/picture/APIJSON_App_Moment_Name.gif
deleted file mode 100644
index d06184fb..00000000
Binary files a/picture/APIJSON_App_Moment_Name.gif and /dev/null differ
diff --git a/picture/APIJSON_Auto_code.jpg b/picture/APIJSON_Auto_code.jpg
deleted file mode 100644
index 687378f1..00000000
Binary files a/picture/APIJSON_Auto_code.jpg and /dev/null differ
diff --git a/picture/APIJSON_Auto_doc.jpg b/picture/APIJSON_Auto_doc.jpg
deleted file mode 100644
index c76cfaf5..00000000
Binary files a/picture/APIJSON_Auto_doc.jpg and /dev/null differ
diff --git a/picture/APIJSON_Auto_get.jpg b/picture/APIJSON_Auto_get.jpg
deleted file mode 100644
index 72682084..00000000
Binary files a/picture/APIJSON_Auto_get.jpg and /dev/null differ