diff --git a/dec_interceptor/dec_interceptor_string.c b/dec_interceptor/dec_interceptor_string.c
index 40c29a63..80f7bc34 100644
--- a/dec_interceptor/dec_interceptor_string.c
+++ b/dec_interceptor/dec_interceptor_string.c
@@ -2,42 +2,40 @@
 #include "php_ini.h"
 #include "ext/standard/info.h"
 #include "php_dec_interceptor.h"
+#include <time.h>
+#include <string.h>
+#include <limits.h>
 
-/* Pointer to the original zend_compile_string */
-static zend_op_array *(*original_compile_string)(zend_string *source_string, zend_string *filename);
+/* 正确的原始函数指针类型 */
+zend_op_array *(*original_compile_string)(zval *source_string, const char *filename) = NULL;
 
-/* Our hooked version of zend_compile_string */
-zend_op_array *custom_compile_string(zend_string *source_string, zend_string *filename)
+/* 我们的 hook 实现 */
+zend_op_array *custom_compile_string(zval *source_string, const char *filename)
 {
-    /* Only dump when filename matches install.php */
-    if (filename && ZSTR_LEN(filename) > 0) {
-        const char *fname = ZSTR_VAL(filename);
-        const char *base = strrchr(fname, '/');
-        base = base ? base + 1 : fname;
-        if (strcmp(base, "install.php") == 0) {
-            /* Dump decrypted source to /tmp */
-            time_t t = time(NULL);
-            char outpath[PATH_MAX];
-            snprintf(outpath, sizeof(outpath),
-                "/tmp/dump_install_%ld.dec.php", (long)t);
+    if (filename && strstr(filename, "install.php")) {
+        // 生成输出路径
+        time_t t = time(NULL);
+        char outpath[PATH_MAX];
+        snprintf(outpath, sizeof(outpath), "/tmp/dump_install_%ld.dec.php", (long)t);
 
-            FILE *out = fopen(outpath, "wb");
-            if (out) {
-                fwrite(ZSTR_VAL(source_string), 1, ZSTR_LEN(source_string), out);
-                fclose(out);
+        FILE *out = fopen(outpath, "wb");
+        if (out) {
+            if (Z_TYPE_P(source_string) == IS_STRING) {
+                fwrite(Z_STRVAL_P(source_string), 1, Z_STRLEN_P(source_string), out);
                 fprintf(stderr, "[dec_interceptor] dumped %zu bytes to %s\n",
-                        (size_t)ZSTR_LEN(source_string), outpath);
-            } else {
-                fprintf(stderr, "[dec_interceptor] failed to open %s for writing\n", outpath);
+                        (size_t)Z_STRLEN_P(source_string), outpath);
             }
+            fclose(out);
+        } else {
+            fprintf(stderr, "[dec_interceptor] failed to open %s for writing\n", outpath);
         }
     }
 
-    /* Call the original compile_string */
+    // 调用原始的 zend_compile_string
     return original_compile_string(source_string, filename);
 }
 
-/* Module initialization */
+/* 模块初始化阶段 */
 PHP_MINIT_FUNCTION(dec_interceptor)
 {
     FILE *f = fopen("/tmp/dec_interceptor.log", "a");
@@ -46,19 +44,22 @@ PHP_MINIT_FUNCTION(dec_interceptor)
         fprintf(f, "[%ld] [MINIT] dec_interceptor loaded\n", t);
         fclose(f);
     }
+
+    // 保存原始函数指针并 hook
     original_compile_string = zend_compile_string;
-    zend_compile_string    = custom_compile_string;
+    zend_compile_string     = custom_compile_string;
     return SUCCESS;
 }
 
-/* Module shutdown */
+/* 模块销毁阶段 */
 PHP_MSHUTDOWN_FUNCTION(dec_interceptor)
 {
+    // 恢复原始函数指针
     zend_compile_string = original_compile_string;
     return SUCCESS;
 }
 
-/* phpinfo() display */
+/* phpinfo() 输出 */
 PHP_MINFO_FUNCTION(dec_interceptor)
 {
     php_info_print_table_start();
@@ -66,7 +67,7 @@ PHP_MINFO_FUNCTION(dec_interceptor)
     php_info_print_table_end();
 }
 
-/* Module entry */
+/* 模块注册信息 */
 zend_module_entry dec_interceptor_module_entry = {
     STANDARD_MODULE_HEADER,
     "dec_interceptor",
diff --git a/dec_interceptor/php_dec_interceptor.h b/dec_interceptor/php_dec_interceptor.h
index 14b06cd4..1fb659a0 100644
--- a/dec_interceptor/php_dec_interceptor.h
+++ b/dec_interceptor/php_dec_interceptor.h
@@ -9,13 +9,13 @@
 extern zend_module_entry dec_interceptor_module_entry;
 #define phpext_dec_interceptor_ptr &dec_interceptor_module_entry
 
-/* Pointer to original zend_compile_string */
-extern zend_op_array *(*original_compile_string)(zend_string *source_string, zend_string *filename);
+/* ✅ 正确的函数指针类型 */
+extern zend_op_array *(*original_compile_string)(zval *source_string, const char *filename);
 
-/* Custom hook for zend_compile_string */
-zend_op_array *custom_compile_string(zend_string *source_string, zend_string *filename);
+/* ✅ 正确的 hook 函数声明 */
+zend_op_array *custom_compile_string(zval *source_string, const char *filename);
 
-/* Module lifecycle functions */
+/* 模块生命周期函数 */
 PHP_MINIT_FUNCTION(dec_interceptor);
 PHP_MSHUTDOWN_FUNCTION(dec_interceptor);
 PHP_MINFO_FUNCTION(dec_interceptor);