diff --git a/src/commands/agents.bind.commands.test.ts b/src/commands/agents.bind.commands.test.ts
index fd377c8e8f3..3efb85aec48 100644
--- a/src/commands/agents.bind.commands.test.ts
+++ b/src/commands/agents.bind.commands.test.ts
@@ -58,6 +58,25 @@ describe("agents bind/unbind commands", () => {
     expect(runtime.exit).not.toHaveBeenCalled();
   });
 
+  it("upgrades existing channel-only binding when accountId is later provided", async () => {
+    readConfigFileSnapshotMock.mockResolvedValue({
+      ...baseConfigSnapshot,
+      config: {
+        bindings: [{ agentId: "main", match: { channel: "telegram" } }],
+      },
+    });
+
+    await agentsBindCommand({ bind: ["telegram:work"] }, runtime);
+
+    expect(writeConfigFileMock).toHaveBeenCalledWith(
+      expect.objectContaining({
+        bindings: [{ agentId: "main", match: { channel: "telegram", accountId: "work" } }],
+      }),
+    );
+    expect(runtime.log).toHaveBeenCalledWith("Updated bindings:");
+    expect(runtime.exit).not.toHaveBeenCalled();
+  });
+
   it("unbinds all routes for an agent", async () => {
     readConfigFileSnapshotMock.mockResolvedValue({
       ...baseConfigSnapshot,
diff --git a/src/commands/agents.bindings.ts b/src/commands/agents.bindings.ts
index 2df9d35a436..c911068ac43 100644
--- a/src/commands/agents.bindings.ts
+++ b/src/commands/agents.bindings.ts
@@ -8,6 +8,11 @@ import type { ChannelChoice } from "./onboard-types.js";
 
 function bindingMatchKey(match: AgentBinding["match"]) {
   const accountId = match.accountId?.trim() || DEFAULT_ACCOUNT_ID;
+  const identityKey = bindingMatchIdentityKey(match);
+  return [identityKey, accountId].join("|");
+}
+
+function bindingMatchIdentityKey(match: AgentBinding["match"]) {
   const roles = Array.isArray(match.roles)
     ? Array.from(
         new Set(
@@ -20,7 +25,6 @@ function bindingMatchKey(match: AgentBinding["match"]) {
     : [];
   return [
     match.channel,
-    accountId,
     match.peer?.kind ?? "",
     match.peer?.id ?? "",
     match.guildId ?? "",
@@ -29,6 +33,26 @@ function bindingMatchKey(match: AgentBinding["match"]) {
   ].join("|");
 }
 
+function canUpgradeBindingAccountScope(params: {
+  existing: AgentBinding;
+  incoming: AgentBinding;
+  normalizedIncomingAgentId: string;
+}): boolean {
+  if (!params.incoming.match.accountId?.trim()) {
+    return false;
+  }
+  if (params.existing.match.accountId?.trim()) {
+    return false;
+  }
+  if (normalizeAgentId(params.existing.agentId) !== params.normalizedIncomingAgentId) {
+    return false;
+  }
+  return (
+    bindingMatchIdentityKey(params.existing.match) ===
+    bindingMatchIdentityKey(params.incoming.match)
+  );
+}
+
 export function describeBinding(binding: AgentBinding) {
   const match = binding.match;
   const parts = [match.channel];
@@ -53,10 +77,11 @@ export function applyAgentBindings(
 ): {
   config: OpenClawConfig;
   added: AgentBinding[];
+  updated: AgentBinding[];
   skipped: AgentBinding[];
   conflicts: Array<{ binding: AgentBinding; existingAgentId: string }>;
 } {
-  const existing = cfg.bindings ?? [];
+  const existing = [...(cfg.bindings ?? [])];
   const existingMatchMap = new Map<string, string>();
   for (const binding of existing) {
     const key = bindingMatchKey(binding.match);
@@ -66,6 +91,7 @@ export function applyAgentBindings(
   }
 
   const added: AgentBinding[] = [];
+  const updated: AgentBinding[] = [];
   const skipped: AgentBinding[] = [];
   const conflicts: Array<{ binding: AgentBinding; existingAgentId: string }> = [];
 
@@ -81,12 +107,41 @@ export function applyAgentBindings(
       }
       continue;
     }
+
+    const upgradeIndex = existing.findIndex((candidate) =>
+      canUpgradeBindingAccountScope({
+        existing: candidate,
+        incoming: binding,
+        normalizedIncomingAgentId: agentId,
+      }),
+    );
+    if (upgradeIndex >= 0) {
+      const current = existing[upgradeIndex];
+      if (!current) {
+        continue;
+      }
+      const previousKey = bindingMatchKey(current.match);
+      const upgradedBinding: AgentBinding = {
+        ...current,
+        agentId,
+        match: {
+          ...current.match,
+          accountId: binding.match.accountId?.trim(),
+        },
+      };
+      existing[upgradeIndex] = upgradedBinding;
+      existingMatchMap.delete(previousKey);
+      existingMatchMap.set(bindingMatchKey(upgradedBinding.match), agentId);
+      updated.push(upgradedBinding);
+      continue;
+    }
+
     existingMatchMap.set(key, agentId);
     added.push({ ...binding, agentId });
   }
 
-  if (added.length === 0) {
-    return { config: cfg, added, skipped, conflicts };
+  if (added.length === 0 && updated.length === 0) {
+    return { config: cfg, added, updated, skipped, conflicts };
   }
 
   return {
@@ -95,6 +150,7 @@ export function applyAgentBindings(
       bindings: [...existing, ...added],
     },
     added,
+    updated,
     skipped,
     conflicts,
   };
diff --git a/src/commands/agents.commands.add.ts b/src/commands/agents.commands.add.ts
index 807ecca0b20..61c45392f59 100644
--- a/src/commands/agents.commands.add.ts
+++ b/src/commands/agents.commands.add.ts
@@ -125,7 +125,7 @@ export async function agentsAddCommand(
     const bindingResult =
       bindingParse.bindings.length > 0
         ? applyAgentBindings(nextConfig, bindingParse.bindings)
-        : { config: nextConfig, added: [], skipped: [], conflicts: [] };
+        : { config: nextConfig, added: [], updated: [], skipped: [], conflicts: [] };
 
     await writeConfigFile(bindingResult.config);
     if (!opts.json) {
@@ -145,6 +145,7 @@ export async function agentsAddCommand(
       model,
       bindings: {
         added: bindingResult.added.map(describeBinding),
+        updated: bindingResult.updated.map(describeBinding),
         skipped: bindingResult.skipped.map(describeBinding),
         conflicts: bindingResult.conflicts.map(
           (conflict) => `${describeBinding(conflict.binding)} (agent=${conflict.existingAgentId})`,
diff --git a/src/commands/agents.commands.bind.ts b/src/commands/agents.commands.bind.ts
index c48785be598..b7a021053c6 100644
--- a/src/commands/agents.commands.bind.ts
+++ b/src/commands/agents.commands.bind.ts
@@ -150,7 +150,7 @@ export async function agentsBindCommand(
   }
 
   const result = applyAgentBindings(cfg, parsed.bindings);
-  if (result.added.length > 0) {
+  if (result.added.length > 0 || result.updated.length > 0) {
     await writeConfigFile(result.config);
     if (!opts.json) {
       logConfigUpdated(runtime);
@@ -160,6 +160,7 @@ export async function agentsBindCommand(
   const payload = {
     agentId,
     added: result.added.map(describeBinding),
+    updated: result.updated.map(describeBinding),
     skipped: result.skipped.map(describeBinding),
     conflicts: result.conflicts.map(
       (conflict) => `${describeBinding(conflict.binding)} (agent=${conflict.existingAgentId})`,
@@ -178,10 +179,17 @@ export async function agentsBindCommand(
     for (const binding of result.added) {
       runtime.log(`- ${describeBinding(binding)}`);
     }
-  } else {
+  } else if (result.updated.length === 0) {
     runtime.log("No new bindings added.");
   }
 
+  if (result.updated.length > 0) {
+    runtime.log("Updated bindings:");
+    for (const binding of result.updated) {
+      runtime.log(`- ${describeBinding(binding)}`);
+    }
+  }
+
   if (result.skipped.length > 0) {
     runtime.log("Already present:");
     for (const binding of result.skipped) {
diff --git a/src/commands/agents.test.ts b/src/commands/agents.test.ts
index 48a1e23a3ee..dfb339e4384 100644
--- a/src/commands/agents.test.ts
+++ b/src/commands/agents.test.ts
@@ -112,6 +112,34 @@ describe("agents helpers", () => {
     expect(result.config.bindings).toHaveLength(2);
   });
 
+  it("applyAgentBindings upgrades channel-only binding to account-specific binding for same agent", () => {
+    const cfg: OpenClawConfig = {
+      bindings: [
+        {
+          agentId: "main",
+          match: { channel: "telegram" },
+        },
+      ],
+    };
+
+    const result = applyAgentBindings(cfg, [
+      {
+        agentId: "main",
+        match: { channel: "telegram", accountId: "work" },
+      },
+    ]);
+
+    expect(result.added).toHaveLength(0);
+    expect(result.updated).toHaveLength(1);
+    expect(result.conflicts).toHaveLength(0);
+    expect(result.config.bindings).toEqual([
+      {
+        agentId: "main",
+        match: { channel: "telegram", accountId: "work" },
+      },
+    ]);
+  });
+
   it("applyAgentBindings treats role-based bindings as distinct routes", () => {
     const cfg: OpenClawConfig = {
       bindings: [