docs: 更新架构图
diff --git a/doc/sw-backend.graffle b/doc/sw-backend.graffle
index bb3e35e..cd5d296 100644
--- a/doc/sw-backend.graffle
+++ b/doc/sw-backend.graffle
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diff --git a/doc/sw-backend.v2/1.arch.png b/doc/sw-backend.v2/1.arch.png
new file mode 100644
index 0000000..0462f9d
--- /dev/null
+++ b/doc/sw-backend.v2/1.arch.png
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diff --git a/doc/sw-backend.v2/2.microservice_structure.png b/doc/sw-backend.v2/2.microservice_structure.png
new file mode 100644
index 0000000..bd4eb10
--- /dev/null
+++ b/doc/sw-backend.v2/2.microservice_structure.png
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diff --git a/doc/sw-backend.v2/3.bff_structure.png b/doc/sw-backend.v2/3.bff_structure.png
new file mode 100644
index 0000000..c607572
--- /dev/null
+++ b/doc/sw-backend.v2/3.bff_structure.png
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diff --git a/doc/sw-backend/4.aggr_structure.png b/doc/sw-backend.v2/4.aggr_structure.png
similarity index 100%
rename from doc/sw-backend/4.aggr_structure.png
rename to doc/sw-backend.v2/4.aggr_structure.png
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diff --git a/doc/sw-backend/1.arch.png b/doc/sw-backend/1.arch.png
index 0462f9d..e055771 100644
--- a/doc/sw-backend/1.arch.png
+++ b/doc/sw-backend/1.arch.png
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diff --git a/doc/sw-backend/3.bff_structure.png b/doc/sw-backend/3.bff_structure.png
index c607572..38b0f29 100644
--- a/doc/sw-backend/3.bff_structure.png
+++ b/doc/sw-backend/3.bff_structure.png
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diff --git a/doc/sw-backend/4.gateway_structure.png b/doc/sw-backend/4.gateway_structure.png
new file mode 100644
index 0000000..66f991e
--- /dev/null
+++ b/doc/sw-backend/4.gateway_structure.png
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