diff --git a/api/core/sandbox/constants.py b/api/core/sandbox/constants.py
index 9c0e2dfe51..fb5634e333 100644
--- a/api/core/sandbox/constants.py
+++ b/api/core/sandbox/constants.py
@@ -1,9 +1,9 @@
 from typing import Final
 
-SANDBOX_WORK_DIR: Final[str] = "/work"
+SANDBOX_WORK_DIR: Final[str] = "work"
 
-DIFY_CLI_PATH: Final[str] = "/work/.dify/bin/dify"
+DIFY_CLI_PATH: Final[str] = f"{SANDBOX_WORK_DIR}/.dify/bin/dify"
 
 DIFY_CLI_PATH_PATTERN: Final[str] = "dify-cli-{os}-{arch}"
 
-DIFY_CLI_CONFIG_PATH: Final[str] = "/work/.dify_cli.json"
+DIFY_CLI_CONFIG_PATH: Final[str] = f"{SANDBOX_WORK_DIR}/.dify_cli.json"
diff --git a/api/core/sandbox/session.py b/api/core/sandbox/session.py
index 53d0f0d376..f91b425724 100644
--- a/api/core/sandbox/session.py
+++ b/api/core/sandbox/session.py
@@ -52,9 +52,8 @@ class SandboxSession:
             try:
                 future = sandbox.run_command(connection_handle, [DIFY_CLI_PATH, "init"])
                 result = future.result(timeout=30)
-                if result.exit_code not in (0, None):
-                    stderr = result.stderr.decode("utf-8", errors="replace") if result.stderr else ""
-                    raise RuntimeError(f"Failed to initialize Dify CLI in sandbox: {stderr}")
+                if result.is_error:
+                    raise RuntimeError(f"Failed to initialize Dify CLI in sandbox: {result.error_message}")
             finally:
                 sandbox.release_connection(connection_handle)
 
diff --git a/api/core/virtual_environment/__base/entities.py b/api/core/virtual_environment/__base/entities.py
index 6ba812e8d2..7d8617ec6e 100644
--- a/api/core/virtual_environment/__base/entities.py
+++ b/api/core/virtual_environment/__base/entities.py
@@ -77,3 +77,15 @@ class CommandResult(BaseModel):
     stderr: bytes = Field(description="Standard error content.")
     exit_code: int | None = Field(description="Exit code of the command. None if unavailable.")
     pid: str = Field(description="Process ID of the executed command.")
+
+    @property
+    def is_error(self) -> bool:
+        return self.exit_code not in (None, 0) or bool(self.stderr.decode("utf-8", errors="replace"))
+
+    @property
+    def error_message(self) -> str:
+        return self.stderr.decode("utf-8", errors="replace") if self.stderr else ""
+
+    @property
+    def info_message(self) -> str:
+        return self.stdout.decode("utf-8", errors="replace") if self.stdout else ""