diff --git a/crates/jcode-provider-metadata/src/lib.rs b/crates/jcode-provider-metadata/src/lib.rs
index f12168e60..b58fd7ecd 100644
--- a/crates/jcode-provider-metadata/src/lib.rs
+++ b/crates/jcode-provider-metadata/src/lib.rs
@@ -142,7 +142,7 @@ pub const OPENCODE_PROFILE: OpenAiCompatibleProfile = OpenAiCompatibleProfile {
     api_base: "https://opencode.ai/zen/v1",
     api_key_env: "OPENCODE_API_KEY",
     env_file: "opencode.env",
-    setup_url: "https://opencode.ai/docs/providers#opencode-zen",
+    setup_url: "https://github.com/1jehuang/jcode#installation",
     default_model: Some("qwen/qwen3-coder-plus"),
     requires_api_key: true,
 };
@@ -153,7 +153,7 @@ pub const OPENCODE_GO_PROFILE: OpenAiCompatibleProfile = OpenAiCompatibleProfile
     api_base: "https://opencode.ai/zen/go/v1",
     api_key_env: "OPENCODE_GO_API_KEY",
     env_file: "opencode-go.env",
-    setup_url: "https://opencode.ai/docs/providers#opencode-go",
+    setup_url: "https://github.com/1jehuang/jcode#installation",
     default_model: Some("THUDM/GLM-4.5"),
     requires_api_key: true,
 };
diff --git a/src/provider/models.rs b/src/provider/models.rs
index 544a4d7a8..6b850fefa 100644
--- a/src/provider/models.rs
+++ b/src/provider/models.rs
@@ -383,6 +383,10 @@ fn fallback_context_limit_for_model(model: &str, provider_hint: Option<&str>) ->
         return Some(1_000_000);
     }
 
+    if model.starts_with("deepseek") {
+        return Some(1_000_000);
+    }
+
     None
 }