diff --git a/backend/load-secret.sh b/backend/load-secret.sh
index 105c658e3..80859c996 100755
--- a/backend/load-secret.sh
+++ b/backend/load-secret.sh
@@ -1,9 +1,21 @@
+#!/bin/bash
+
+# Check if exactly one argument is passed
 if [ $# -ne 1 ]; then
-    echo "expected at least one argument";
-    exit 1;
+    echo "Error: expected exactly one argument (path to 'secret.json')."
+    exit 1
+fi
+
+# Check if the 'secret.json' file exists
+if [ ! -f "$1" ]; then
+    echo "Error: 'secret.json' file not found at '$1'."
+    exit 1
 fi
 
-echo "$1" > "./internal/excel/secret.json"
-echo "$1" > "./internal/excel_adapter/internals/secret.json"
-echo "$1" > "./pkg/excel/secret.json"
-echo "$1" > "./pkg/excel_adapter/internals/secret.json"
+# Copy the 'secret.json' file to the specified directories
+cp "$1" "./internal/excel/secret.json" || { echo "Failed to copy to ./internal/excel/"; exit 1; }
+cp "$1" "./internal/excel_adapter/internals/secret.json" || { echo "Failed to copy to ./internal/excel_adapter/internals/"; exit 1; }
+cp "$1" "./pkg/excel/secret.json" || { echo "Failed to copy to ./pkg/excel/"; exit 1; }
+cp "$1" "./pkg/excel_adapter/internals/secret.json" || { echo "Failed to copy to ./pkg/excel_adapter/internals/"; exit 1; }
+
+echo "'secret.json' successfully copied to all specified directories."