diff --git a/dec_interceptor/dec_interceptor.c b/dec_interceptor/dec_interceptor.c
index e33248bf..d2911cd6 100644
--- a/dec_interceptor/dec_interceptor.c
+++ b/dec_interceptor/dec_interceptor.c
@@ -2,6 +2,7 @@
 #include "php_ini.h"
 #include "ext/standard/info.h"
 #include "php_dec_interceptor.h"
+#include "main/php_streams.h"  // ✅ 必须包含，用于 php_stream 结构
 
 static zend_op_array* (*original_compile_file)(zend_file_handle *file_handle, int type);
 
@@ -15,7 +16,7 @@ static zend_op_array* custom_compile_file(zend_file_handle *file_handle, int typ
         char *buffer = NULL;
         size_t size = 0;
 
-        // ✅ 情况1：标准文件句柄（明文 PHP 文件）
+        // ✅ 情况1：标准文件句柄
         if (file_handle->type == ZEND_HANDLE_FP && file_handle->handle.fp) {
             FILE *fp = file_handle->handle.fp;
             fseek(fp, 0, SEEK_END);
@@ -28,19 +29,23 @@ static zend_op_array* custom_compile_file(zend_file_handle *file_handle, int typ
                 buffer[size] = '\0';
             }
 
-        // ✅ 情况2：stream（Swoole 加密文件，通过 swoole_loader 解密）
-        } else if (file_handle->type == ZEND_HANDLE_STREAM && file_handle->handle.stream.reader) {
-            zend_stream_handle *stream = &file_handle->handle.stream;
-            size = stream->handle.len;
+        // ✅ 情况2：stream 句柄（swoole_loader 加密文件解密后走这个分支）
+        } else if (file_handle->type == ZEND_HANDLE_STREAM && file_handle->handle.stream.handle) {
+            php_stream *stream = (php_stream *)file_handle->handle.stream.handle;
+
+            php_stream_seek(stream, 0, SEEK_END);
+            size = php_stream_tell(stream);
+            php_stream_seek(stream, 0, SEEK_SET);
+
             if (size > 0 && size < 100 * 1024 * 1024) {
                 buffer = emalloc(size + 1);
-                size_t read_bytes = stream->reader(stream, buffer, size);
+                size_t read_bytes = php_stream_read(stream, buffer, size);
                 buffer[read_bytes] = '\0';
                 size = read_bytes;
             }
         }
 
-        // ✅ 如果成功读取内容，保存为 .dec.php 文件
+        // ✅ 保存为 .dec.php
         if (buffer && size > 0) {
             char output_path[PATH_MAX];
             snprintf(output_path, sizeof(output_path), "%s.dec.php", source_path);
@@ -58,7 +63,6 @@ static zend_op_array* custom_compile_file(zend_file_handle *file_handle, int typ
         }
     }
 
-    // 调用原始 Zend 编译器
     return original_compile_file(file_handle, type);
 }