update docs

Author: wang0618

README.md

@@ -46,9 +46,9 @@ xcode-select --install
 ```
 </details>
 
-## Quick Start
+## Python calling Go
 
-### 1. Write Go Code
+### 1. Export Go Functions/Types
 
 Create a `lib.go` file:
 
@@ -130,25 +130,22 @@ Run the python script:
 python main.py
 ```
 
-## Go Call Python
+## Go calling Python
 
-### 1. Define Python Functions/Classes
+### 1. Export Python Functions/Classes
 
 ```python
 # main.py
 import gopylink
 
-
 @gopylink.export
 def greet(name: str) -> str:
     return f"Hi, {name}!"
 
-
 @gopylink.export
 def multiply(a, b):
     return a * b
 
-
 @gopylink.export
 class Counter:
     def __init__(self, initial=0):
@@ -158,9 +155,9 @@ class Counter:
         self.value += n
         return self.value
 
-
-lib = gopylink.load_go_lib("go.lib")
-lib.func_call("Start")  # Start the Go logic
+if __name__ == "__main__":
+    lib = gopylink.load_go_lib("go.lib")
+    lib.func_call("Start")  # Start the Go logic
 ```
 
 ### 2. Call Python from Go
@@ -209,6 +206,8 @@ go build -buildmode=c-shared -o go.lib .
 python main.py
 ```
 
+Note that when calling Python from Go, the entry point remains the Python script. The Go shared library is loaded into the Python process, which then starts the Go logic.
+
 ## API Reference
 
 ### Python API
@@ -232,6 +231,8 @@ python main.py
 | `handle.MethodCall(name, args...)`      | Call method on Python instance               |
 | `handle.Close()`                        | Release Python instance                      |
 
+See [Go API Reference](https://pkg.go.dev/github.com/ray4go/gopylink#pkg-index) for more details.
+
 ## Type Conversion
 
 Types are automatically converted via msgpack:

go.mod

@@ -2,8 +2,6 @@ module github.com/ray4go/gopylink
 
 go 1.21
 
-replace github.com/ray4go/go-ray/ray => ../go-ray/ray
-
 require github.com/ray4go/go-ray/ray v1.2.0
 
 require (