diff --git a/products/chdb/install/c.mdx b/products/chdb/install/c.mdx
index d59c7bf60..686b4c1c3 100644
--- a/products/chdb/install/c.mdx
+++ b/products/chdb/install/c.mdx
@@ -326,4 +326,4 @@ cleanup:
 
 - **Main Repository**: [chdb-io/chdb](https://github.com/chdb-io/chdb)
 - **Issues and Support**: Report issues on the [GitHub repository](https://github.com/chdb-io/chdb/issues)
-- **C API Documentation**: [Bindings Documentation](https://github.com/chdb-io/chdb/blob/main/bindings.md)
+- **C API Documentation**: [Bindings Documentation](https://github.com/chdb-io/chdb-core/blob/main/bindings.md)
diff --git a/products/chdb/install/python.mdx b/products/chdb/install/python.mdx
index 378ad7e20..828c10b53 100644
--- a/products/chdb/install/python.mdx
+++ b/products/chdb/install/python.mdx
@@ -277,7 +277,7 @@ result = sess.query("""
 """, "JSON")
 ```
 
-See also: [test_stateful.py](https://github.com/chdb-io/chdb/blob/main/tests/test_stateful.py).
+See also: [test_stateful.py](https://github.com/chdb-io/chdb-core/blob/main/tests/test_stateful.py).
 
 ### Python DB-API 2.0 interface {#python-db-api-20}
 
diff --git a/products/chdb/reference/data-formats.mdx b/products/chdb/reference/data-formats.mdx
index 721677b91..db087ed72 100644
--- a/products/chdb/reference/data-formats.mdx
+++ b/products/chdb/reference/data-formats.mdx
@@ -14,7 +14,7 @@ Output formats are used to arrange the results of a `SELECT`, and to perform `IN
 As well as the data formats that ClickHouse supports, chDB also supports:
 
 - `ArrowTable` as an output format, the type is Python `pyarrow.Table`
-- `DataFrame` as an input and output format, the type is Python `pandas.DataFrame`. For examples, see [`test_joindf.py`](https://github.com/chdb-io/chdb/blob/main/tests/test_joindf.py)
+- `DataFrame` as an input and output format, the type is Python `pandas.DataFrame`. For examples, see [`test_joindf.py`](https://github.com/chdb-io/chdb-core/blob/main/tests/test_joindf.py)
 - `Debug` as ab output (as an alias of `CSV`), but with enabled debug verbose output from ClickHouse.
 
 The supported data formats from ClickHouse are: