diff --git a/code/g3hd/backend/.idea/compiler.xml b/code/g3hd/backend/.idea/compiler.xml
new file mode 100644
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diff --git a/code/g3hd/backend/.idea/encodings.xml b/code/g3hd/backend/.idea/encodings.xml
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diff --git a/code/g3hd/backend/.idea/jarRepositories.xml b/code/g3hd/backend/.idea/jarRepositories.xml
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diff --git a/code/g3hd/backend/.idea/misc.xml b/code/g3hd/backend/.idea/misc.xml
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diff --git a/code/g3hd/backend/.idea/shelf/Uncommitted_changes_before_Update_at_2026_6_29_8_59_[Changes]/shelved.patch b/code/g3hd/backend/.idea/shelf/Uncommitted_changes_before_Update_at_2026_6_29_8_59_[Changes]/shelved.patch
new file mode 100644
index 00000000..607331f1
--- /dev/null
+++ b/code/g3hd/backend/.idea/shelf/Uncommitted_changes_before_Update_at_2026_6_29_8_59_[Changes]/shelved.patch
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+Index: src/main/resources/dbconfigs/G3HD.properties
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.BaseRevisionTextPatchEP
+<+>url=jdbc:sqlserver://127.0.0.1:1433;databaseName=G3HY20250618\r\nusername=sa\r\npassword=g3soft\r\ndriver=com.microsoft.sqlserver.jdbc.SQLServerDriver
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>ISO-8859-1
+===================================================================
+diff --git a/src/main/resources/dbconfigs/G3HD.properties b/src/main/resources/dbconfigs/G3HD.properties
+--- a/src/main/resources/dbconfigs/G3HD.properties (revision e36163e5729d74cf3c110cf9b73ad2b019a1aa42)
++++ b/src/main/resources/dbconfigs/G3HD.properties (date 1782092479053)
+@@ -1,4 +1,4 @@
+-url=jdbc:sqlserver://127.0.0.1:1433;databaseName=G3HY20250618
++url=jdbc:sqlserver://192.168.1.189:1433;databaseName=G3HY2025
+ username=sa
+ password=g3soft
+ driver=com.microsoft.sqlserver.jdbc.SQLServerDriver
+\ No newline at end of file
diff --git a/code/g3hd/backend/.idea/vcs.xml b/code/g3hd/backend/.idea/vcs.xml
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diff --git a/code/g3hd/backend/.idea/workspace.xml b/code/g3hd/backend/.idea/workspace.xml
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+ file://$PROJECT_DIR$/src/main/java/com/example/demo/util/BatchTable_Lock.java
+ 39
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\ No newline at end of file