diff --git a/rayaop.c b/rayaop.c
index a8d2a7b..8aba944 100644
--- a/rayaop.c
+++ b/rayaop.c
@@ -223,68 +223,103 @@ void php_rayaop_free_intercept_info(zval *zv) {
 */
 
 static void php_rayaop_execute_ex(zend_execute_data *execute_data) {
-    if (execute_data->func && execute_data->func->common.function_name) {
-        const char *fname = ZSTR_VAL(execute_data->func->common.function_name);
-        const char *class_name = execute_data->func->common.scope ? ZSTR_VAL(execute_data->func->common.scope->name) : NULL;
-
-        // Skip specific functions
-        if (class_name && strcmp(class_name, "PhpToken") == 0 && strcmp(fname, "tokenize") == 0) {
-            PHP_RAYAOP_DEBUG_PRINT("Skipping PhpToken::tokenize");
-            php_rayaop_original_execute_ex(execute_data);
-            return;
-        }
-
-        if (class_name && strcmp(class_name, "PhpParser\\Parser\\Php8") == 0 && strcmp(fname, "{closure}") == 0) {
-            PHP_RAYAOP_DEBUG_PRINT("Skipping PhpParser\\Parser\\Php8::{closure}");
-            php_rayaop_original_execute_ex(execute_data);
-            return;
-        }
-
-        if (class_name && strcmp(class_name, "PHPUnit\\Framework\\TestCase") == 0 && strcmp(fname, "startOutputBuffering") == 0) {
-            PHP_RAYAOP_DEBUG_PRINT("Skipping PHPUnit\\Framework\\TestCase::startOutputBuffering");
-            php_rayaop_original_execute_ex(execute_data);
-            return;
-        }
-    }
-
-    PHP_RAYAOP_DEBUG_PRINT("php_rayaop_execute_ex called");
+    PHP_RAYAOP_DEBUG_PRINT("php_rayaop_execute_ex called"); /* Output debug information */
 
+    // 実行深度を増加させ、ログに記録
     RAYAOP_G(execution_depth)++;
 
     PHP_RAYAOP_DEBUG_PRINT("Execution depth: %d", RAYAOP_G(execution_depth));
 
     if (!php_rayaop_should_intercept(execute_data)) {
         PHP_RAYAOP_DEBUG_PRINT("Interception not necessary, calling original execute_ex function");
-        php_rayaop_original_execute_ex(execute_data);
+
+        // Debug information about execute_data
+        if (execute_data == NULL) {
+            PHP_RAYAOP_DEBUG_PRINT("execute_data is NULL");
+        } else {
+            if (execute_data->func == NULL) {
+                PHP_RAYAOP_DEBUG_PRINT("execute_data->func is NULL");
+            } else {
+                if (execute_data->func->common.function_name == NULL) {
+                    PHP_RAYAOP_DEBUG_PRINT("execute_data->func->common.function_name is NULL");
+                } else {
+                    PHP_RAYAOP_DEBUG_PRINT("Function name: %s", ZSTR_VAL(execute_data->func->common.function_name));
+                }
+
+                if (execute_data->func->common.scope == NULL) {
+                    PHP_RAYAOP_DEBUG_PRINT("execute_data->func->common.scope is NULL");
+                } else {
+                    PHP_RAYAOP_DEBUG_PRINT("Class name: %s", ZSTR_VAL(execute_data->func->common.scope->name));
+                }
+            }
+        }
+
+        PHP_RAYAOP_DEBUG_PRINT("Calling original execute_ex function");
+
+        if (php_rayaop_original_execute_ex == NULL) {
+            PHP_RAYAOP_DEBUG_PRINT("php_rayaop_original_execute_ex is NULL");
+        }
+
+        php_rayaop_original_execute_ex(execute_data); /* Call the original execution function */
         RAYAOP_G(execution_depth)--;
-        return;
+
+        return; /* End processing */
     }
 
-    zend_function *current_function = execute_data->func;
-    zend_string *class_name = current_function->common.scope->name;
-    zend_string *method_name = current_function->common.function_name;
+    zend_function *current_function = execute_data->func; /* Get current function information */
+    zend_string *class_name = current_function->common.scope->name; /* Get class name */
+    zend_string *method_name = current_function->common.function_name; /* Get method name */
 
     PHP_RAYAOP_DEBUG_PRINT("Function: %s::%s", ZSTR_VAL(class_name), ZSTR_VAL(method_name));
 
     size_t key_len;
-    char *key = php_rayaop_generate_intercept_key(class_name, method_name, &key_len);
+    char *key = php_rayaop_generate_intercept_key(class_name, method_name, &key_len); /* Generate intercept key */
 
-    php_rayaop_intercept_info *info = php_rayaop_find_intercept_info(key, key_len);
+    php_rayaop_intercept_info *info = php_rayaop_find_intercept_info(key, key_len); /* Search for intercept information */
 
     if (info) {
-        PHP_RAYAOP_DEBUG_PRINT("Found intercept info for key: %s", key);
-        if (RAYAOP_G(is_intercepting)) {
-            PHP_RAYAOP_DEBUG_PRINT("Already intercepting, skipping interception");
-            php_rayaop_original_execute_ex(execute_data);
-            efree(key);
-            return;
+        /* If intercept information is found */
+        PHP_RAYAOP_DEBUG_PRINT("Found intercept info for key: %s", key); /* Output debug information */
+        php_rayaop_execute_intercept(execute_data, info); /* Execute interception */
+    } else {
+        /* If intercept information is not found */
+        PHP_RAYAOP_DEBUG_PRINT("No intercept info found for key: %s", key); /* Output debug information */
+        PHP_RAYAOP_DEBUG_PRINT("Calling original execute_ex function");
+
+        // Debug information about execute_data before calling the original function
+        if (execute_data == NULL) {
+            PHP_RAYAOP_DEBUG_PRINT("execute_data is NULL");
+        } else {
+            if (execute_data->func == NULL) {
+                PHP_RAYAOP_DEBUG_PRINT("execute_data->func is NULL");
+            } else {
+                if (execute_data->func->common.function_name == NULL) {
+                    PHP_RAYAOP_DEBUG_PRINT("execute_data->func->common.function_name is NULL");
+                } else {
+                    PHP_RAYAOP_DEBUG_PRINT("Function name: %s", ZSTR_VAL(execute_data->func->common.function_name));
+                }
+
+                if (execute_data->func->common.scope == NULL) {
+                    PHP_RAYAOP_DEBUG_PRINT("execute_data->func->common.scope is NULL");
+                } else {
+                    PHP_RAYAOP_DEBUG_PRINT("Class name: %s", ZSTR_VAL(execute_data->func->common.scope->name));
+                }
+            }
         }
 
-        RAYAOP_G(is_intercepting) = 1;
-        php_rayaop_execute_intercept(execute_data, info);
-        RAYAOP_G(is_intercepting) = 0;
-    } else {
-        PHP_RAYAOP_DEBUG_PRINT("No intercept info found for key: %s", key);
+        if (php_rayaop_original_execute_ex == NULL) {
+            PHP_RAYAOP_DEBUG_PRINT("php_rayaop_original_execute_ex is NULL");
+        }
+        PHP_RAYAOP_DEBUG_PRINT("Origilan method calling...");
+        if (execute_data == NULL || execute_data->func == NULL || php_rayaop_original_execute_ex == NULL) {
+            PHP_RAYAOP_DEBUG_PRINT("Invalid pointers detected");
+            // エラー処理
+            return;
+        }
+        PHP_RAYAOP_DEBUG_PRINT("Calling original execute_ex. execute_data: %p, func: %p, original_execute_ex: %p",
+                       (void*)execute_data,
+                       (void*)(execute_data ? execute_data->func : NULL),
+                       (void*)php_rayaop_original_execute_ex);
         php_rayaop_original_execute_ex(execute_data);
         /* Call the original execution function */
         PHP_RAYAOP_DEBUG_PRINT("Origilan method called sucsessfully!");