fixed

docs/content/how-to/creating-catalogs.md

@@ -210,8 +210,11 @@ You can configure any connection parameters that have been declared by JDBC thro
 
 You can also perform logical isolation for databases under multiple catalogs by specifying "catalog-key".
 
+Additionally, when creating a JdbcCatalog, field length limits for stored tables can be specified by configuring 'catalog-key-max-length', 'database-name-max-length', 'table-name-max-length', 'database-properties-key-max-length', 'database-properties-value-max-length', and 'lock-key-max-length'. Please adjust these configurations according to actual circumstances and consider setting them to larger values to avoid failures due to excessively long data being written to the corresponding fields.
+
 You can define any default table options with the prefix `table-default.` for tables created in the catalog.
 
+
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